Wikipedia

Volkswagen-Audi V8 engine

Further information:List of discontinued Volkswagen Group petrol engines,List of Volkswagen Group petrol engines,List of discontinued Volkswagen Group diesel engines,andList of Volkswagen Group diesel engines

TheVolkswagen-Audi V8 enginefamily is a series of mechanically similar,gasoline-powered anddiesel-powered,V-8,internal combustionpiston engines,developed and produced by theVolkswagen Group,in partnership withAudi,since 1988. They have been used in various Volkswagen Group models, and by numerous Volkswagen-owned companies. The firstspark-ignitiongasolineV-8engine configurationwas used in the 1988Audi V8model;[1][2][3][4][5][6][7]and the first compression-ignitiondiesel V8 engine configurationwas used in the 1999Audi A83.3TDIQuattro.[8][9][10][11][12]The V8 gasoline and diesel engines have been used in most Audi,Volkswagen,Porsche,Bentley,andLamborghinimodels ever since. The larger-displacement diesel V8 engine configuration has also been used in variousScaniacommercial vehicles;such as intrucks,buses,andmarine(boat) applications.

Volkswagen-AudiV8 engines
Overview
ManufacturerVolkswagen Group
Production1988-present (Gasoline engines)
1999-present (Diesel engines)
Layout
Configuration90°V-8
Displacement3.6–6L(220–366cu in) (Gasoline engines)
3.3–15.6L(201–952cu in) (Diesel engines)
Cylinder bore81–84.5mm(3.19–3.33in) (Gasoline engines)
78.3–127mm(3.08–5.00in) (Diesel engines)
Piston stroke86.4–93mm(3.40–3.66in) (Gasoline engines)
86.4–154mm(3.40–6.06in) (Diesel engines)
Valvetrain32-valve or also 40-valve for high-output petrol engines,DOHC,four-valves per cylinder
Compression ratio10.3:1-11.3:1 (Gasoline engines)
16.0:1-18.5:1 (Diesel engines)
Combustion
TurbochargerTwin-turbocharged(Gasoline engines; 2012-present)
Twin-turbocharged(Diesel engines; 1999-present)
FuelsystemFuel injection
Fuel typeGasoline/Diesel
Oil systemDry sump
Output
Power output227–750hp(169–559kW) (Gasoline engines)
221–730hp(165–544kW) (Diesel engines)
Torque output250–627lb⋅ft(339–850N⋅m) (Gasoline engines)
354–2,655lb⋅ft(480–3,600N⋅m) (Diesel engines)
Dimensions
Dry weight195–211kg(430–465lb) (Gasoline engines)
255–368kg(562–811lb) (Diesel engines)
Chronology
Predecessor

Discontinued production engines

edit

Gasoline

edit

AllVolkswagen GroupV8gasoline engines are constructed from a lightweight, cast aluminum alloy cylinder block (crankcase) and cylinder heads. They all usemulti-valvetechnology, with the valves being operated bytwooverhead camshaftspercylinder bank(sometimes referred to as 'quad cam'). All functions of engine control are carried out by varying types ofRobert Bosch GmbHMotronic electronic engine control units. They are alllongitudinallyfront-mounted,and the V8 engines listed below were for a long time only used incarsbearing the Audimarque,but latterly being installed inVolkswagen Passenger CarsflagshipVolkswagen Phaeton.

3.6 V8 32v 184kW

edit
identification
parts code prefix: 077, ID code: PT
engine displacement & engine configuration
3,562 cc (217.4 cu in) 90° V8; bore x stroke: 81.0 mm × 86.4 mm (3.19 in × 3.40 in), stroke ratio: 0.94:1 – undersquare/long-stroke, 445.2 cc per cylinder; compression ratio: 10.6:1
cylinder block & crankcase
cast aluminium alloy; five main bearings, die-forged steel crankshaft
cylinder heads & valvetrain
cast aluminium alloy; four valves per cylinder, 32 valves total, timing belt and simplex chain-driven (hybrid system) double overhead camshafts
fuel system, ignition system, engine management
common rail multi-point electronic sequential indirect fuel injection with eight intake manifold-sited fuel injectors; twinHitachiignition coils (one per cylinder bank) with Bosch longlife spark plugs, Bosch Motronic electronic engine control unit (ECU); 95 RON/ROZ(91 AKI) EuroPremium (regular) unleaded recommended for optimum performance and fuel economy
DIN-rated motive power & torque output
184 kW (250 PS; 247 bhp) at 5,800 rpm; 340 N⋅m (251 lbf⋅ft) at 4,000 rpm
application
Audi V8(10/88-11/93)"ID and data from ETKA".

3.7 V8 32v 169kW

edit
identification
parts code prefix: 077, ID codes: AEW, AKJ
engine displacement & engine configuration
3,697 cc (225.6 cu in) 90° V8; bore x stroke: 84.5 mm × 82.4 mm (3.33 in × 3.24 in), stroke ratio: 1.03:1 – oversquare/short-stroke, 462.1 cc per cylinder; compression ratio: 10.8:1
cylinder block & crankcase
cast aluminium alloy; five main bearings, die-forged steel crankshaft
cylinder heads & valvetrain
cast aluminium alloy; four valves per cylinder, 32 valves total, timing belt and simplex chain-driven (hybrid system) double overhead camshafts
fuel system, ignition system, engine management
common rail multi-point electronic sequential indirect fuel injection with eight intake manifold-sited fuel injectors; twin LAZ pre-power output stage control units (one per cylinder bank) and eight single spark ignition coils with Bosch longlife spark plugs, Bosch Motronic electronic engine control unit (ECU); 95 RON/ROZ(91 AKI) EuroPremium (regular) unleaded recommended for optimum performance and fuel economy
DIN-rated motive power & torque output
169 kW (230 PS; 227 bhp) at 5,500 rpm; 315 N⋅m (232 lbf⋅ft) at 2,700 rpm
application
Audi D2 A8(AEW: 07/95-12/98, AKJ: 06/97-12/98)"ID and data from ETKA".

3.7 V8 40v 191-206kW

edit
identification
parts code prefix: 077, codes d'identification:AQG, AKC, BFL
engine displacement & engine configuration
3,697 cc (225.6 cu in) 90° V8; bore x stroke: 84.5 mm × 82.4 mm (3.33 in × 3.24 in), stroke ratio: 1.03:1 – oversquare/short-stroke, 462.1 cc per cylinder; compression ratio: 11.0:1 (BFL: 11.3:1)
cylinder block & crankcase
cast aluminium alloy; five main bearings, die-forged steel crankshaft
cylinder heads & valvetrain
cast aluminium alloy; five valves per cylinder, 40 valves total, low friction roller rocker fingers, timing belt and simplex chain-driven (hybrid system) hollow double overhead camshafts,variable inlet camshaft timing
aspiration
3-stage variable composite intake manifold
fuel system, ignition system, engine management
common rail multi-point electronic sequential indirect fuel injection with eight intake manifold-sited fuel injectors; eight single spark ignition coils with Bosch longlife spark plugs, Bosch Motronic electronic engine control unit (ECU); 95 RON/ROZ(91 AKI) EuroPremium (regular) unleaded recommended for optimum performance and fuel economy
DIN-rated motive power & torque outputs, ID codes
191 kW (260 PS; 256 bhp) at 6,000 rpm; 350 N⋅m (258 lbf⋅ft) at 3,250 rpm —AQG, AKC
206 kW (280 PS; 276 bhp) at 6,000 rpm; 360 N⋅m (266 lbf⋅ft) at 3,750 rpm —BFL
applications
Audi D2 A8(AQG: 10/98-02/01, AKC: 05/00-09/02),Audi D3 A8(BFL: 11/02-05/06)"ID and data from ETKA".

Awards

edit
was voted 'best technical innovation', and awarded the "Golden Pegasus" by"Za ruljom"at the Moscow Motor Show

4.2 V8 32v 206-250kW

edit
identification
parts code prefix: 0215
engine displacement & engine configuration
4,172 cc (254.6 cu in) 90° V8; bore x stroke: 84.5 mm × 93.0 mm (3.33 in × 3.66 in), stroke ratio: 0.91:1 – undersquare/long-stroke, 521.5 cc per cylinder; compression ratio: 10.3:1 (ABH: 10.8:1)
cylinder block & crankcase
cast aluminium alloy; five main bearings, die-forged steel crankshaft
cylinder heads & valvetrain
cast aluminium alloy; four valves per cylinder, 32 valves total, timing belt and simplex chain-driven (hybrid system) double overhead camshafts
fuel system, ignition system, engine management
common rail multi-point electronic sequential indirect fuel injection with eight intake manifold-sited fuel injectors; Bosch Motronic electronic engine control unit (ECU); 98 RON/ROZ(93 AKI) EuroSuperPlus (premium) unleaded recommended for maximum performance and fuel economy
dimensions
mass:208 to 211 kg (459 to 465 lb) depending on variant
DIN-rated motive power & torque outputs, ID codes
206 kW (280 PS; 276 bhp) at 5,800 rpm; 400 N⋅m (295 lbf⋅ft) at 4,000 rpm —ABH
213 kW (290 PS; 286 bhp) at 5,900 rpm; 400 N⋅m (295 lbf⋅ft) at 4,000 rpm —AEC
221 kW (300 PS; 296 bhp) at 6,000 rpm; 400 N⋅m (295 lbf⋅ft) at 3,000 rpm —ABZ, AKG, ARS, ASG
240 kW (326 PS; 322 bhp) at 6,600 rpm; 410 N⋅m (302 lbf⋅ft) at 3,500 rpm —AHK
250 kW (340 PS; 335 bhp) at 6,600 rpm; 420 N⋅m (310 lbf⋅ft) at 3,500 rpm —AHC, AKH, AQJ
applications
Audi V8(ABH: 08/91-11/93),[13][14]Audi C4 S4(ABH: 10/92-07/94),Audi C4 S6(AEC: 09/94-10/97),Audi C5 A6(ARS: 04/99-05/01, ASG: 06/00-01/05),Audi D2 A8(ABZ: 06/94-05/99, AKG: 06/97-12/98),[15]Audi C4 S6 Plus(AHK: 06/96-10/97),Audi C5 S6(AQJ: 09/99-05/01),Audi D2 S8(AHC: 09/96-12/98, AKH: 08/97-12/98)"ID and data from ETKA".

4.2 V8 40v 220-265kW

edit
identification
parts code prefix: 077
engine displacement & engine configuration
4,172 cc (254.6 cu in) 90° V8; bore x stroke: 84.5 mm × 93.0 mm (3.33 in × 3.66 in), stroke ratio: 0.91:1 – undersquare/long-stroke, 521.5 cc per cylinder; compression ratio: 11.0:1
cylinder block & crankcase
cast aluminium alloy; five main bearings, die-forged steel crankshaft
cylinder heads & valvetrain
cast aluminium alloy; five valves per cylinder, 40 valves total, timing belt and simplex chain-driven (hybrid system) double overhead camshafts
fuel system, ignition system, engine management
two linked common rail fuel distributor rails, multi-point electronic sequential indirect fuel injection with eight intake manifold-sited fuel injectors; Bosch Motronic electronic engine control unit (ECU); 98 RON/ROZ(93 AKI) EuroSuperPlus (premium) unleaded recommended for maximum performance and fuel economy
DIN-rated motive power & torque outputs, ID codes
220 kW (299 PS; 295 bhp) at 6,200 rpm; 400 N⋅m (295 lbf⋅ft) at 3,000 rpm —ARS, ASG
228 kW (310 PS; 306 bhp) at 6,200 rpm; 410 N⋅m (302 lbf⋅ft) at 3,000 rpm —AUX, AWN
250 kW (340 PS; 335 bhp) at 7,000 rpm; 420 N⋅m (310 lbf⋅ft) at 3,400 rpm —AQJ, ANK
265 kW (360 PS; 355 bhp) at 7,000 rpm; 430 N⋅m (317 lbf⋅ft) at 3,400 rpm —AQH, AVP, AYS, BCS
applications
Audi C5 A6(ARS: 99-00, ASG: 00-04),Audi D2 A8(AUX: 99-01, AWN: 01-02),Audi C5 S6(AQJ: 99-01, ANK: 01-04),Audi S8 Plus (D2)(AQH: 05/99-02/01, AVP: 09/00-09/02, {Japan only – BCS: 09/00-02/01, AYS: 02/01-09/02})"ID and data from ETKA".

4.2 V8 40v T 331-353kW (C5 RS6)

edit

Based on the existing4.2 V8from theAudi C5 S6,this engine wastunedwith the assistance of VW Group subsidiaryCosworth Technology(nowMAHLE Powertrain), and featured two parallel turbochargers, known as 'biturbo', with two side-mounted intercoolers (SMICs). Enlarged and modified intake and exhaust ports on the newfive valvecylinder heads, together with new induction and dual branch exhaust systems, a re-calibrated Motronic engine management system, revised cooling system, and decorativecarbon fibreengine covers complete the upgrade.

The initial 331 kW (450 PS; 444 bhp) variant of this engine generates aspecific poweroutput of 79.3 kW (107.8 PS; 106.3 bhp) per litre displacement, and the 'RS6 Plus' 353 kW (480 PS; 473 bhp) variant gives 84.6 kW (115.0 PS; 113.5 bhp) per litre.

identification
parts code prefix: 077.A
engine displacement & engine configuration
4,172 cc (254.6 cu in) 90° V8; bore x stroke: 84.5 mm × 93.0 mm (3.33 in × 3.66 in), stroke ratio: 0.91:1 – undersquare/long-stroke, 521.5 cc per cylinder; compression ratio: 9.8:1, two oil coolers – oil:water and oil:air, two or three (dependent on target market) coolantradiators
cylinder block & crankcase
cast aluminium alloy; five main bearings, die-forged steelcrossplanecrankshaft with shared crankpins, two-part oil sump – upper: baffled cast alloy, lower: pressed steel, simplex roller chain drivenoil pump
cylinder heads & valvetrain
cast aluminium alloy; five valves per cylinder (three inlet, and two sodium-cooled exhaust valves), 40 valves total, low-friction roller-bearing fingercam followerswith automatichydraulicvalve clearancecompensation, timing belt and simplex roller chain-driven (hybrid system) hollow-tube double overhead camshafts (the crankshaft-driven timing belt operates both exhaust camshafts, which in turn individually chain-drive the inlet camshafts),variable inlet camshaft timing
aspiration
twocarbon fibre-cased siamesed air filters, two hot-filmair mass meters,cast alloy intake manifold with Bosch 'E-Gas'drive by wireelectronic throttle controlvalve, 'biturbo' – two fast-acting turbochargers (one per cylinder bank) with vacuum-actuated excess pressure control, two all-alloy side-mounted intercoolers (SMICs) optimised to prevent pressure loss
fuel system, ignition system, engine management
fuel tank sited electric low pressurefuel lift pump,underfloor electric high pressure relay fuel pump, common rail multi-point electronic sequential indirect fuel injection with eight intake manifold-sited fuel injectors; eight individual single-spark ignition coils,NGKlonglife spark plugs; Bosch Motronic ME 7.1.1 electronic engine control unit (ECU); 98 RON/ROZ(93 AKI) EuroSuperPlus (premium) unleaded recommended for maximum performance and fuel economy
exhaust system
dual-branch exhaust pipes with metallic-element catalytic converters and secondary air injection, fourlambda sensors,European EU3 emissions standard
DIN-rated motive power & torque outputs, ID codes & applications
331 kW (450 PS; 444 bhp) at 5,700–6,400 rpm; 560 N⋅m (413 lbf⋅ft) at 1,950–5,600 rpm —BCY:Audi C5 RS6(07/02-09/04)
353 kW (480 PS; 473 bhp) at 6,000–6,400 rpm; 560 N⋅m (413 lbf⋅ft) at 1,950–6,000 rpm —BRV:Audi C5 RS6 Plus(04/04-09/04)

Diesel

edit

3.3 V8 32v TDI CR 165kW

edit
identification
parts code prefix: 057.A; ID code: AKF
engine configuration &engine displacement
90°V8 engine,Turbocharged Direct Injection(TDI)turbodiesel;3,328 cc (203.1 cu in);borexstroke:78.3 mm × 86.4 mm (3.08 in × 3.40 in),stroke ratio:0.91:1 - undersquare/long-stroke, 416.0 cc per cylinder,compression ratio:18.5:1, up to 160 bar (2,320 psi) cylinder pressure,
cylinder block& crankcase
compacted vermicular graphitecast iron(GJV/CGI); two-part cast aluminium alloy oil sump, five 86 mm (3.39 in) diametermain bearings,die–forged steelcrossplanecrankshaftwith shared crankpins, diagonally splitconnecting rods,simplexroller chain-drivenoil pump,pistons oil-cooled by cast-in cooling ducts
cylinder heads&valvetrain
cast aluminium alloy;four valvesper cylinder, 32 valves total, sliding-fingercam followerswith automatichydraulicvalve clearancecompensation, 2x hybrid-drivendouble overhead camshafts(2xDOHC - twooverhead camshaftspercylinder bank- 'quad cam', inletcamshaftsare driven from a front-sitedtiming beltfrom the crankshaft, exhaust camshafts are gear-driven at the rear from the inlet camshafts)
aspiration
twin-turbo:two electronically controlledturbochargerswithvariable turbine geometry(VTG) (one turbo percylinder bank), 2.2 bar (31.9 psi) maximum absolute pressure, combined 4-part inlet manifold and air-to-waterintercoolermounted within the vee. With additional side-mounted coolant radiator and additional electric coolant pump
fuel system & engine management
(Common rail system) Low-pressure fuel lift pump mounted underneath the car turns on only when starter is being operated (when cranking); after that an electromagnetic valve bypass the pump. It uses a gear-type lift pump mounted on the passenger-side cylinder head driven by the camshaft; it is used to supply the high-pressure pump with sufficient pressure. Bosch CP3 high-pressure pump is used driven by the timing belt. Max rail pressure is 1350bar. Watercooled return line fuel cooler with an additional cooling pump (runs all the time) and side-mounted radiator and air-cooled return line cooler mounted on the bottom of the car. six-hole solenoid injection nozzles, CR electronic injection control. Dual Bosch EDC15 engine management computers running in master/slave configuration.
exhaust system
vacuum-operated water-cooledexhaust gas recirculation,two catalysts, European EU3 emissions standard compliant
dimensions
length: 717 mm (28.2 in), width: 842 mm (33.1 in), height: 688 mm (27.1 in)
DIN-rated power & torque output
165 kW (224 PS; 221 bhp) at 4,000rpm;480 N⋅m (354 lbf⋅ft) at 1,800-3,000 rpm
best specific consumption
205g/kWh(41.1%energy efficiency)
application
Audi D2 A8 quattro(12/99-09/02)

4.0 V8 32v TDI CR 202kW

edit

When introduced in May 2003, this 3.9 litre V8 was the highest power and highest torque diesel V8 fitted in any production car worldwide. This was the second 'new'V enginefromAudiwhich utilises new technologies - including chain-drivenoverhead camshaftsand ancillary units, following the4.2 40-valve V8 petrol enginefirst seen in theB6 S4.This engine was discontinued in July 2005, superseded by the bored-out and updated but fundamentally identical4.2 V8 TDI.

identification
parts code prefix: 057.B, ID code: ASE
engine configuration &engine displacement
90°V8 engine,Turbocharged Direct Injection(TDI)turbodiesel;3,937 cc (240.3 cu in),borexstroke:81.0 mm × 95.5 mm (3.19 in × 3.76 in),stroke ratio:0.85:1 - undersquare/long-stroke, 492.1 cc per cylinder, 88 mm (3.46 in) cylinder spacing,compression ratio:17.5:1, water-cooled alternator
cylinder block& crankcase
compacted vermicular graphitecast iron(GJV/CGI); cast reinforcing bed-plate lower frame incorporating fivemain bearingswith each bearing affixed by four bolts, three-part oil sump consisting of cast alloy upper section, a middle baffle section and pressed steel lower section, die–forged steelcrossplanecrankshaftwith shared crankpins, diagonally fracture-splitconnecting rods,chain-driven ancillaries,oil filtermodule (incorporating oil separator and water-to-oil cooler) mounted within the 'vee'
cylinder heads&valvetrain
cast aluminium alloy;four valvesper cylinder, 32 valves total, operated by low-friction roller fingercam followerswith automatichydraulicvalve clearancecompensation, 2xdouble overhead camshafts(2xDOHC - twooverhead camshaftspercylinder bank- 'quad cam') - the inlets driven in a relay method at the rear (flywheel) end of the engine by four simplexroller chainsand the exhausts driven from the inlets by automatic slack adjusting spur gears at the front end, two unequal-length swirl-inducing switchable inlet ports, siamesed unequal-length exhaust ports
aspiration
two air filters, two hot-filmair mass meters,'biturbo': two water-cooledGarrettGT1749turbochargerswith electrically actuatedVariable Turbine Geometry (VTG)(one turbo per cylinder bank) operating up to 210,000 rpm with a maximum boost of 2.2 bar (32 psi), two air-to-air fan-assisted side-mountedintercoolers(SMICs), two separate cast alloyintake manifoldsinterconnected by a "feedthrough" system to equalise the turbo boost pressure in the two cylinder banks, two-position variable swirl flaps integrated into the intake tract
fuel system & engine management
electric low-pressurefuel lift pump,onetoothed beltdriven 1,600 bar (23,210 psi)injection pump,one central fuel distributor supplying twocommon rail(CR) fuel rails (one per cylinder bank),Boschsolenoid-valve injectors with seven-hole nozzles for homogenous fuel delivery, single and double pilot injection; Bosch EDC16 electronicengine control unit(ECU)
exhaust system
twin water-cooledexhaust gas recirculation(mounted within the 'vee'), air-gap insulated fan-branch alloy steelexhaust manifolds,two close-coupled primarycatalytic convertersplus two main underfloor converters, Euro3 emissions standard
dimensions
length: 516 mm (20.3 in), mass: 270 kg (595 lb)
DIN-rated power & torque output
202 kW (275 PS; 271 bhp); 650 N⋅m (479 lbf⋅ft) at 1,800-2,500 rpm
application
Audi D3 A8 4.0 TDI quattro(05/03-07/05)

Current production engines

edit

Gasoline

edit

Of their eight-cylinder petrol engines, allVolkswagen GroupV8 enginesare primarily constructed from a lightweight castaluminium alloycylinder block (crankcase) and cylinder heads. They all usemulti-valvetechnology, with the valves being operated bytwooverhead camshaftspercylinder bank(sometimes referred to as 'quad cam'). All functions of engine control are carried out by varying types ofRobert Bosch GmbHMotronicelectronicengine control units.

These V8 petrol engines initially were only used in cars bearing theAudimarque,but are now also installed inVolkswagen Passenger Cars'premium models'. They are alllongitudinally orientated,and with the exception of theAudi R8,arefront-mounted.

4.2 V8 FSI 32v

edit
The 4.2 FSI V8 as installed in theAudi R8

Based on the existing Audi 40 valve V8, this new engine is heavily revised over its predecessor, with all-new components including: crankshaft, connecting rods and pistons, cylinder heads, and valvetrain, oil and cooling system, intake and exhaust system, and engine management system. It is available in two versions; a basic or 'comfort' version, first used in the Audi Q7; and a sports-focussed high-revving version, with features borrowed from motorsport, for theB7 RS 4 quattroand theR8.This is the first eight-cylinder road car engine to useFuel Stratified Injection(FSI), which was successfully developed by Audi in their Le Mans-winningR8 racing car.The5.2 V10 FSIwas developed directly from this V8 engine.[16][17][18]

identification
parts code prefix/variant: 079.D
displacement & configuration
4,163 cc (254.0 cu in) 90° V8 engine; 18.5 mm (0.73 in)cylinder bankoffset; 90 mm (3.54 in) cylinder spacing; bore and stroke: 84.5 mm × 92.8 mm (3.33 in × 3.65 in), stroke ratio: 0.91:1 – undersquare/long-stroke, 520.4 cc per cylinder, compression ratio: 12.5:1, firing order: 1–5–4–8–6–3–7–2; water:oil lubricant cooler (RS 4/R8 utilises an additional thermostatically controlled air:oil cooler); Q7 and RS 4 utilise awet sumpsystem (RS 4 with additional longitudinal axis flapped baffles controlled by lateral g-force), R8 usesdry sump
cylinder block & crankcase
homogeneous monoblock low-pressure chill gravity die castinghypereutectic'Alusil'aluminium-siliconalloy(AlSi17Cu4Mg) with a closed-deck design, mechanically stripped hard silicon crystal integral liners, honed under simulated mechanical stress; reinforced by a cast lower crankcase alloy bedplate (AlSi17Cu4Mg) mimicking a ladder-frame design, and including five GGG50 nodular cast iron press-fit main bearing caps each attached by four bolts; 464 mm (18.3 in) overall length, 228 mm (9.0 in) cylinder block height; two-stage 3/8 "simplex roller chain and gear driven 'accessory drive' which includes the oil pump, water pump, power steering pump, and air conditioning compressor; baffle-plate sump
crankshaft, connecting rods and pistons
die-forged and tempered high alloy steel (42CrMoS4) 90° crankshaft with 65 mm (2.6 in) diameter and 18.5 mm (0.73 in) width main bearing journals and 54 mm (2.1 in) diameter and 15.25 mm (0.60 in) width big end bearing journals; 154 mm (6.1 in) long high strength forged cracked trapezoidal connecting rods (36MnVS4 in basic engine, ultra high strength 34CrNiMo8 in RS 4/R8 with more restrictive geometry tolerances); forged 290 g (10.2 oz) aluminium pistons with shaped piston crowns designed to impart charged volume tumbling effect for fully homogeneous air/fuel charge
cylinder heads & valvetrain
cast aluminium alloy, partition-plate horizontally divided intake ports producing a tumble effect (larger cross-section on RS 4/R8); four valves per cylinder: chrome-plated solid-stem (hollow-stem on RS 4/R8) intake valves, and chrome-plated sodium-filled hollow-stem exhaust valves, both with 11 mm (0.43 in) valve lift (longer valve lift on RS 4/R8), 32 valves total; lightweight low-friction roller finger cam followers (uprated withpeenedrollers on RS 4/R8) with automatic hydraulic valve clearance compensation, double overhead camshafts (each a hollow tube composite) on each cylinder bank, driven from the flywheel side via a two-stage chain drive using three 3/8 "simplex roller chains (sleeve-type on RS 4/R8), valve opening (in crank angle degrees) 200 intake (230 for RS 4/R8) and 210 exhaust (230 for RS 4/R8); valve overlap facilitates integral exhaust gas recirculation; continuous hydraulic vane-adjustable variable valve timing for intake and exhaust camshafts with up to 42 degrees adjustment, each controlled via information fromHall sensors,Audi "RS"'red' plastic cam covers on RS 4, 'anthracite' plastic on R8
aspiration
two single-entry air filters each with hot-film air mass flow meters (Q7), or triple-entry single air filter with single hot-film air mass meter (RS 4), or double-entry dual-element single air filter with two hot-film air mass flow meters (R8); single (Q7 & RS 4) or twin (R8) cast alloythrottle bodyelectronically controlledBosch E-Gasthrottlevalves (Bosch 82 mm (3.2 in) diameter on Q7, Pierburg 90 mm (3.5 in) diameter on RS4), two-stage four-piece gravity die-cast (Q7) (sand-cast on RS 4/R8) magnesium-aluminium alloy variable length intake manifold with electronically map-controlled silicon tipped tract-length flaps along with tumble flaps inducing a swirling movement in the drawn air (RS 4 & R8 do not use a variable tract-length intake manifold)
fuel system
fully demand-controlled, (Q7 returnless, RS 4 return to tank); fuel tank–mounted low-pressure fuel pump;Fuel Stratified Injection(FSI): two inlet camshaft double-cam driven single-piston high-pressure injection pumps maintaining a pressure of between 30 and 100 bar (435 and 1,450 psi) in the two stainless steelcommon railfuel distributor rails, eight combustion chamber siteddirect injectionsolenoid-controlled 65 volt single-hole sequential fuel injectors with integrated swirl plates; 98RON/ROZ(93AKI) EuroSuperPlus (premium) unleaded recommended for maximum performance and fuel economy (95 RON (91 AKI) may be used, but will reduce performance and worsen fuel economy)
ignition system & engine management
mapped direct ignition with centrally mounted longlife spark plugs and eight individual direct-acting single spark coils;BoschMotronicMED 9.1.1 electronicengine control unit(ECU) (two MED 9.1 ECUs in the RS 4 and R8, working on the 'master and slave' concept due to the high revving nature of the engine), four knock sensors, EU4 emissions standard, map-controlled coolant thermostat (Q7 only), additional electric after-run coolant pump with two additional side-mounted radiators (RS 4/R8), water-cooledalternator,two map-controlled radiator fans
exhaust system
vacuum-controlled secondary air injection to assist cold start operation; air-gap insulated exhaust manifold per cylinder bank (Q7), or 4-into-2-into-1 fan-branch exhaust manifold per cylinder bank to minimise reverse pulsation of expelled exhaust gases (RS 4), or fan branch manifold with integratedcatalytic converterper cylinder bank; two close-coupled and two main underfloor catalytic converters – ceramic on Q7, high-flow metallic on RS 4, or main catalytic converter integrated into transverse main rear silencer with quad outlets; four heated oxygen (lambda) sensors (broadband upstream, nonlinear downstream) monitoring pre- and post-catalyst exhaust gases; siamesed absorption-type middle silencer (Q7 with crossover) and siamesed rear silencer, separate rear silencers on RS 4 with vacuum-operated flap valves
dimensions
Q7 (for auto transmission with plate-type flywheel): approx. 198 kg (437 lb), RS4 (for 6-speed manual withdual-mass flywheel): approx. 212 kg (467 lb)
DIN-rated power & torque outputs, ID codes, applications
257 kW (349 PS; 345 bhp) at 6,800 rpm; 440 N⋅m (325 lbf⋅ft) at 3,500 rpm, 85% available from 2,000 rpm —BAR:Audi Q7(03/06-05/10),Volkswagen Touareg(06/06-05/10);BVJ:Audi C6 A6(05/06-08/11),Audi D3 A8(06/06-07/10)
260 kW (354 PS; 349 bhp) at 7,000 rpm —CAU:Audi S5(06/07-03/12)
309 kW (420 PS; 414 bhp) or 316 kW (430 PS; 424 bhp) at 7,800 rpm; 430 N⋅m (317 lbf⋅ft) at 5,500 rpm, 90% available between 2,250 and 7,600 rpm, 8,250 rpmrev limiter—BNS:Audi RS 4 (B7)(09/05-06/08);BYH:Audi R8(04/07-09/10; -02/15 for facelift model with 430-hp engine)
331 kW (450 PS; 444 bhp) at 8,250 rpm; 430 N⋅m (317 lbf⋅ft) at 4000–6000 rpm, 90% available between 2,250 and 7600 rpm, 8,500 rpmrev limiter—CFSA:Audi RS 4 (B8)(06/12-09/15);Audi RS 5(06/2010-09/17)

Awards

edit
was placed in the 2005 and 2006 annual list ofWard's 10 Best Engines

4.2 V8 40v

edit
identification
parts code prefix: 079
engine displacement & engine configuration
4,163 cc (254.0 cu in) 90°V8 engine;90 mm (3.54 in) cylinder spacing; bore x stroke: 84.5 mm × 92.8 mm (3.33 in × 3.65 in), stroke ratio: 0.91:1 – undersquare/long-stroke, 520.4 cc per cylinder[19][20][21]
cylinder block & crankcase
homogeneousmonobloclow-pressure gravity die casthypereutectic'Alusil'aluminium-siliconalloy(AlSi17Cu4Mg) with a closed-deck design, mechanically stripped hard silicon crystal integral liners, honed under simulated mechanical stress; five main bearings; die-forged steel crankshaft
cylinder heads & valvetrain
cast aluminium alloy, five valves per cylinder, 40 valves total; lightweight low-friction roller cam followers with automatic hydraulic valve clearance compensation, roller chain-driven double overhead camshafts
aspiration
synthetic material two-stagevariable intake manifold
fuel system & engine management
two linked common rail fuel distributor rails, multi-point electronic sequentialindirectfuel injectionwith eight intake manifold-sited fuel injectors;BoschMotronicME 7.1.1. electronicengine control unit(ECU); 98RON/ROZ(93AKI) EuroSuperPlus (premium) unleaded recommended for maximum performance and fuel economy
exhaust system
two multi-stagecatalytic converters
dimensions
length: 464 mm (18.27 in), mass: 195 kg (430 lb)
DIN-rated motive power & torque outputs, ID codes
246 kW (334 PS; 330 bhp) at 6,600 rpm; 420 N⋅m (310 lbf⋅ft) at 3,500 rpm, 6,800 rpm max —Audi A6, BAT, A8:BFM(BFM engine is belt driven)
221 kW (300 PS; 296 bhp) at 6,200 rpm; 380 N⋅m (280 lbf⋅ft) at 2,700–4,600 rpm, 6,500 rpm max —Audi A6 allroad:BAS
253 kW (344 PS; 339 bhp) at 7,000 rpm; 410 N⋅m (302 lbf⋅ft) at 3,500 rpm —Audi S4:BBK(03/03-03/09)
253 kW (344 PS; 339 bhp) at 7,200 rpm; 420 N⋅m (310 lbf⋅ft) at 3,000 rpm —Audi S4:BHF(03/03-03/09 – US/Korea only)
246 kW (334 PS; 330 bhp) at 6,500 rpm; 435 N⋅m (321 lbf⋅ft) at 2,800-3,700 rpm —Volkswagen Phaeton:BGH, BGJ (Belt driven)
applications
Audi B6 S4,[22]Audi B7 S4,Audi C5 A6 allroad(BAS: 07/02-08/05),Audi C6 A6(BAT: 05/04-05/06),Audi A8(BFM: 10/02-07/10),Volkswagen Phaeton(BGJ: 05/03-07/03, BGH: 08/03-05/10)

Awards

edit
was placed in the 2004 annual list ofWard's 10 Best Engines

4.0 TFSI

edit

This engine is part of Audi's modular 90° V6/V8 engine family. It shares its bore and stroke, 90° V-angle, and 90mm cylinder spacing with the Audi V6. The earlier V6 engines (EA837) used an Eaton TVS Supercharger instead of turbocharger(s). In 2016, Audi and Porsche released a new turbocharged V6 engine they dubbed EA839. These 2.9L (biturbo) & 3.0L (single turbo) V6 engines share the 4.0T TFSI V8's “hot vee” design, meaning the turbo(s) are placed in the Vee of the engine (between each bank of cylinders) instead of on the outside of each cylinder bank. This allows the turbocharger(s) to produce boost pressure more quickly as the path the exhaust gases travel is much reduced. It also aids in getting the engine's emissions hardware up to temperature more quickly. As with the V6, the V8 is used in various Audi and Porsche models, but the V8 also finds use in Bentley and Lamborghini vehicles.[23][24][25][26][27][28]

engine displacement & engine configuration
3,993 cc (243.7 cu in) 90°V8 engine;90 mm (3.54 in) cylinder spacing; bore x stroke: 84.5 mm × 89.0 mm (3.33 in × 3.50 in), stroke ratio: 0.95:1 – undersquare/long-stroke, 499.1 cc per cylinder, compression ratio: 10.5:1
fuel system;Fuel Stratified Injection(FSI)
Central-Overhead Injectors
exhaust system
two twin-scroll Turbo C hargers and twin air- and water-cooled intercoolers
DIN-rated motive power & torque outputs, ID codes, applications
309 kW (420 PS; 414 bhp) at 5,500 rpm; 550 N⋅m (406 lbf⋅ft) from 1,400 rpm to 5,400 rpm—CEUC:Audi S6 C7,S7,CEUA:A8 D4
320 kW (435 PS; 429 bhp) at 5,800 rpm; 600 N⋅m (443 lbf⋅ft) from 1,400 rpm to 5,300 rpm—CTGA:A8 D4,A8 D5
412 kW (560 PS; 553 bhp) at 5,700 rpm; 700 N⋅m (516 lbf⋅ft) from 1,750 rpm to 5,500 rpm—CRDB, CWUB:AudiRS6 C7andRS7
445 kW (605 PS; 597 bhp) at 6,200 rpm; 700 N⋅m (516 lbf⋅ft) from 1,700 rpm to 5,500 rpm (overboost to 750 Nm) —DDTA:AudiS8 Plus (D4),CWUC:Audi RS7 Performance,Audi RS6 Performance (C7)
338 kW (460 PS; 453 bhp) at 6,000 rpm; 620 N⋅m (457 lbf⋅ft) from 1,700 rpm inPorsche Panamera GTS
405 kW (551 PS; 543 bhp) at 6,000 rpm; 770 N⋅m (568 lbf⋅ft) from 1,700 rpm inPorsche Panamera Turbo
463 kW (630 PS; 621 bhp) at 6,000 rpm; 820 N⋅m (605 lbf⋅ft) from 1,700 rpm inPorsche Panamera Turbo S
505 kW (687 PS; 677 bhp) at 6,000 rpm; 850 N⋅m (627 lbf⋅ft) from 1,700 rpm inPorsche Panamera Turbo S E-Hybrid
373 kW (507 PS; 500 bhp) at 6,000 rpm; 660 N⋅m (487 lbf⋅ft) from 1,700 rpm inBentley Continental GT V8andFlying Spur V8
388 kW (528 PS; 520 bhp) at 6,000 rpm; 680 N⋅m (502 lbf⋅ft) from 1,700 rpm inBentley Continental GT V8 S
405 kW (551 PS; 543 bhp) at 6,000 rpm; 770 N⋅m (568 lbf⋅ft) inBentley Continental GT V8 (2019–)

478 kW (650 PS; 641 bhp) at 6,000 rpm; 850 N⋅m (627 lbf⋅ft) inLamborghini Urus

471 kW (640 PS; 631 bhp) at 6,000 rpm; 850 N⋅m (627 lbf⋅ft) in Porsche Cayenne Coupé Turbo GT

575 kW (782 PS; 771 bhp) at 6,000 rpm; 1,000 N⋅m (738 lbf⋅ft) in Bentley Continental GT Speed


Audi version of the engine includes electronic monitoring of the oil level, while the Bentley engine includes a dipstick for an oil check. In addition, the Bentley engine uses switchable hydraulic mounts instead of Audi's active electrohydraulic engine mounts. The Bentley engine does not include a stop-start system.[29]

Diesel

edit

4.2 V8 TDI CR 235-257kW

edit

This Audi engine is an entirely redeveloped andbored-out evolution of the superseded4.0 V8 TDI CR,now with 90 mm (3.54 in) cylinder spacing between bore centres, and again with roller chain drive for theoverhead camshaftsand ancillaries. Just like its 4.0 V8 TDI predecessor, this all-new 4.2 V8 TDI retains the mantle of the world's highest power output car with a diesel V8. This engine is manufactured atGyőr,Hungary by AUDI AG subsidiaryAudi Hungaria Motor Kft.

identification
parts code prefix: 057.C
engine configuration & engine displacement
90°V8 engine,Turbocharged Direct Injection(TDI) turbodiesel; 4,134 cc (252.3 cu in); bore x stroke: 83.0 mm × 95.5 mm (3.27 in × 3.76 in),stroke ratio:0.87:1 - undersquare/long-stroke, 516.7 cc per cylinder, 90 mm (3.54 in) cylinder spacing, compression ratio: 16.5:1, water-cooled alternator
cylinder block & crankcase
compacted vermicular graphitecast iron (GJV/CGI), 62 kg (137 lb); UV laser-honed exposed bore; cast reinforcing bed-plate lower frame incorporating fivemain bearings(each 'bearing' affixed by four bolts), die-forged chrome molybdenum alloy steelcrossplanecrankshaft with first and second order forces and moments avoided, three-part oil sump consisting of cast alloy upper section, a middle baffle section and pressed steel lower section, diagonally fracture-splitconnecting rods,cast aluminium alloy Kolbenschmidt pistons (Mahleon CCFA), simplex roller chain-driven ancillaries,oil filtermodule (incorporating oil separator and water-to-oil cooler) mounted within the 'vee' (externally mounted on Marine variants)
cylinder heads &valvetrain
cast aluminium alloy;four valvesper cylinder, 32valvestotal, operated by low-friction roller fingercam followerswith automatic hydraulicvalve clearancecompensation,double overhead camshafts- the inlets driven in a relay method at the rear (flywheel) end of the engine by four simplex roller chains and the exhausts driven from the inlets by automatic slack adjusting spur gears at the front end, two unequal-length swirl-inducing switchable inlet ports, siamesed unequal-length exhaust ports
aspiration - automotive
two air filters, two hot-filmair mass meters,'biturbo': two water-cooledturbochargerswith electrically direct-actuatedVariable Turbine Geometry (VTG)vanes (one turbo per cylinder bank) operating up to 226,000 rpm with a maximum electrically regulated boost of 2.5 bar (36 psi), two side-mounted air-to-air fan-assisted (not on Q7) intercoolers (SMICs), two separate cast alloyintake manifoldsinterconnected by a "feedthrough" system to equalise the pressure in the two cylinder banks, two-position variable swirl flaps integrated into the intake tract. Engines introduced from 2014 include 2 variable geometry turbocharger with maximum 1.7 bar (25 psi) of relative boost pressure.
aspiration - Marine
air filter with hot-filmair mass meter,one water-cooled turbocharger with electric boost pressure control mounted within the vee, sea-water tube intercooler, two separate cast alloy intake manifolds interconnected by a "feedthrough" system to equalise the pressure in the two cylinder banks, two-position variable swirl flaps integrated into the intake tract
fuel system & engine management
common rail(CR) direct diesel injection: electric low-pressurefuel lift pump,onetiming belt-driven 1,600 bar (23,210 psi)injection pump,two common rail fuel rails (one per cylinder bank),piezo-electricoperated fuel injectors with eight-hole nozzles for homogenous fuel delivery, single and double pilot injection, up to four main injection actuations per piston cycle;BoschEDC16 CP electronicengine control unit(ECU), Bosch MDC Marine Diesel Control on Marine variant. Engines introduced from 2014 has increased fuel pressure to 2,000 bar (29,008 psi).
exhaust system
two air-gap insulated fan-branch alloy steelexhaust manifolds,two close-coupled maintenance-free oxidizingcatalytic converters,two silicon carbidediesel particulate filters,Euro4 emissions standard compliant
dimensions
length: 520 mm (20.5 in), mass: 255–257 kg (562–567 lb) (automotive - 15 kg (33 lb) lighter than its 4.0 V8 TDI predecessor, 4 kg (9 lb) lighter than the all-aluminium alloyMercedes-Benz4.0 V8 CDI diesel engine), 368 kg (811 lb) (Marine variant: dry weight, including DMF, cooling system & all ancillaries)
DIN-rated power & torque outputs, ID codes
BMC:235 kW (320 PS; 315 bhp)
BVN:240 kW (326 PS; 322 bhp) at 3,750 rpm; 650 N⋅m (479 lbf⋅ft) at 1,600-3,500 rpm
BTR:240 kW (326 PS; 322 bhp) at 3,750 rpm; 760 N⋅m (561 lbf⋅ft) at 1,800-2,500 rpm
CCFA:250 kW (340 PS; 335 bhp)
CEM:257 kW (349 PS; 345 bhp) at 4,200 rpm; 800 N⋅m (590 lbf⋅ft) at 1,900 rpm
CTEC:283 kW (385 PS; 380 bhp) at 3,750 rpm; 850 N⋅m (627 lbf⋅ft) at 2,000-2,750 rpm
applications
Audi D3 A8 4.2 TDI quattro(BMC: 01/05-06/05, BVN: 07/05->),Audi Q7 4.2 TDI(BTR: 03/07-06/09, CCFA: 06/09->),Volkswagen MarineTDI 350-8 (CEM: 02/09->),Volkswagen Touareg,Porsche Cayenne

4.0 V8 TDI 310-320kW

edit

A successor to the 4.2 TDI. The engine includes 2 turbochargers, 48-volt electrical system, 7 kWelectric compressor,[30]Bosch CRS 3.25 engine management.[31]

A turbocharger serves to supply engine boost and spools up the passive turbocharger.

identification
parts code prefix: EA 898[32]
engine configuration & engine displacement
90°V8 engine,Turbocharged Direct Injection(TDI) turbodiesel; 3,956 cc (241.4 cu in); bore x stroke: 83.0 mm × 91.4 mm (3.27 in × 3.60 in),stroke ratio:0.91:1 - undersquare/long-stroke, 494.5 cc per cylinder, 90 mm (3.54 in) cylinder spacing,compression ratio:16.0:1, water-cooled alternator

DIN-rated power and torque outputs, applications, ID codes

edit

310 kW (421 PS; 416 bhp) at 3,500-5,000 rpm; 850 N⋅m (627 lbf⋅ft) at 1,000-3,250 rpm,Porsche Panamera II 4S Diesel

320 kW (435 PS; 429 bhp) at 3,750-5,000 rpm; 900 N⋅m (664 lbf⋅ft) at 1,000-3,250 rpm,Audi SQ72016-2020,Audi SQ82019-2020,Audi A8D5,Bentley Bentayga,2020- VW Touareg

Production

edit

The engine was developed in Ingolstadt.[33]

15.6 V8 DC16 368-544kW (Scania)

edit
Scania V8 16-litre marine engine with reverse.
engine configuration & engine displacement
90° V8 engine, turbodiesel; 15,607 cc (952.4 cu in); bore x stroke: 127.0 mm × 154.0 mm (5.00 in × 6.06 in),stroke ratio:0.82:1 - undersquare/long-stroke, 1,950.8 cc percylinder
aspiration
turbocharger, intercooler
fuel system & engine management
Scania PDE high-pressureUnit Injectorsystem, Scaniaselective catalytic reduction(SCR) -catalytic converterwithAdBlueurea injection
DIN-rated power & torque outputs - Euro4
368 kW (500 PS; 493 bhp) at 1,900 rpm; 2,400 N⋅m (1,770 lbf⋅ft) at 1,100-1,400 rpm
412 kW (560 PS; 553 bhp) at 1,900 rpm; 2,700 N⋅m (1,991 lbf⋅ft) at 1,100-1,400 rpm
456 kW (620 PS; 612 bhp) at 1,900 rpm; 3,000 N⋅m (2,213 lbf⋅ft) at 1,100-1,400 rpm
DIN-rated power & torque outputs - Euro5
368 kW (500 PS; 493 bhp) at 1,800 rpm; 2,500 N⋅m (1,844 lbf⋅ft) at 1,000-1,350 rpm
412 kW (560 PS; 553 bhp) at 1,900 rpm; 2,700 N⋅m (1,991 lbf⋅ft) at 1,000-1,400 rpm
456 kW (620 PS; 612 bhp) at 1,900 rpm; 3,000 N⋅m (2,213 lbf⋅ft) at 1,000-1,400 rpm
544 kW (740 PS; 730 bhp) at 2,000 rpm; 3,600 N⋅m (2,655 lbf⋅ft) at 1,000-1,400 rpm reference:https://web.archive.org/web/20121112032602/http://www3.scania /en/New-V8-truck-range/The-new-730hp-engine/
applications
Scaniatrucks

Racing engine

edit

The race version of the engine was developed and produced for theDeutsche Tourenwagen Meisterschaft,between 1990 and 1992; and later theDeutsche Tourenwagen Mastersand in theAudi R8C,Audi R8R,Audi R8andBentley Speed 8,between 1999 and 2018.[34][35][36][37][38][39]

Audi V8

edit

Audi developed aGroup Acompetition version of the Audi V8 engine for entry into theDeutsche Tourenwagen Meisterschaft(DTM) (German Touring Car Championship)auto racingseries equipped with a 309kW(420PS;414bhp), later 340kW(462PS;456bhp), 3.6 V8 engine and 6-speed manual transmission, and began racing with it in1990with Schmidt MotorSport (SMS) running the operation, andHans-Joachim Stuck,Walter RöhrlandFrank Jelinskidriving.[40][41][42]

Audi R8C/R8R engine

edit

The R8C and R8R both use 3.6-liter, twin-turbochargedV8 engines,producing between 600–640 hp (447–477 kW), and between 516–561 lb⋅ft (700–761 N⋅m) of torque, while using two 32.4 mm (1.28 in) air restrictors, and pushing 1.67 bar (24.2 psi) of absolute boost pressure. While the R8R has a large number of vents placed on the nose, most of the intakes and air exits on the R8C are placed on the sides.

The R8R was estimated to boast around 610 hp (450 kW) from its V8 engine, allowing it to hit 335 km/h (208 mph) in 1999 at Le Mans (the original claims were that the car could go 350 km/h (217 mph)).[43][44][45]

Audi R8 engine

edit

The R8 is powered by a 3.6 L Audi V8 withFuel Stratified Injection(FSI), which is a variation on the concept ofgasoline direct injectiondeveloped by VW; it maximizes both power and fuel economy at the same time. FSI technology can be found in products available to the public, across all brands in theVolkswagen Group.

The power supplied by the R8, officially listed at about 610 hp (455 kW) in 2000, 2001, and 2002, 550 hp (410.1 kW) in 2003 and 2004, and 520 hp (388 kW) in 2005, is sent to the rear wheels via aRicardosix-speedsequential transmissionwith an electropneumatic paddle shift. Unofficially, the works team Audi R8 for Le Mans (2000, 2001, and 2002) is said to have had around 670 hp (500 kW) instead of the quoted 610 hp. The numbers were quoted at speed, and were due to the car making 50 extra horsepower due to twin ram-air intakes at speeds over 150 mph (240 km/h). Official torque numbers were quoted for this version of the engine at 516 lb⋅ft (700 N⋅m) at 6500 rpm (2004/2005), but the 2002/2003-spec engine produced more torque; with 553 lb⋅ft (750 N⋅m) at 5500 rpm, with boost pressure set at 1.67 bar (24.2 psi) absolute. The equation for horsepower (torque divided by 5250, multiplied by rpm) for these numbers produces a horsepower rating of 638 horsepower (476 kW) at the same 6500 rpm (516/5250*6500=638).[46][47]

Restrictorchanges for 2003 brought the power down to 550 bhp for anyone still racing with the R8, but the maximum torque hardly changed.

For 2005, The ACO still felt that the R8 needed to be kept in check, so they reduced the restrictor size on the R8's engine, due to the car not meeting new hybrid regulations, and stipulated the car shall carryballast weightin an attempt to make the races more competitive. The R8 was restricted even further to only 520 bhp.

Bentley Speed 8/EXP Speed 8 engine

edit

The engine from theAudi R8,a 3.6-liter V8, with (Honeywell Turbo Technologies) turbocharger,[48]was used as the initial powerplant for the Bentley in 2001. It produced 637 hp (475 kW) and over 479 lb⋅ft (649 N⋅m) of torque, via two 33.1 mm (1.30 in) intake restrictor, with boost pressure limited to 1.87 bar (27.1 psi) by regulations.[49][50][51][52]

Following its initial year of competition, the Audi-sourced V8 was modified to better suit the EXP Speed 8. This saw the engine expand to 4.0 liters, producing between 600–650 hp (450–480 kW), and 590 lb⋅ft (800 N⋅m) of torque, using two 30.7 mm (1.21 in) intake restrictor plates, with boost pressure still being limited to 1.87 bar (27.1 psi) by regulations. This would ultimately lead to Bentley redesigning the car for 2003, leading to the change of name to simply Speed. Without the intake restrictor plates (completely unrestricted), and with boost pressure set at around 1.9 bar (28 psi), the 4.0-liter engine is reportedly capable of producing up to 860 hp (640 kW), and about 750 lb⋅ft (1,020 N⋅m) of torque.[53][54][55][56][57][58]

Audi DTM V8 engine

edit
Audi DTM V8 racing engine
Overview
ManufacturerAudi
Production1990-1992 (3.6 L engine)
2000-2018 (4.0 L engine)
Layout
ConfigurationNaturally aspirated90°V-8
Displacement3.6–4.0L(220–244cu in)
Cylinder bore81–93mm(3.19–3.66in)
Piston stroke73.6–86.4mm(2.90–3.40in)
Valvetrain32-valve,DOHC,four-valves per cylinder
Combustion
TurbochargerNo
FuelsystemBosch Electronic indirect multi-point fuel injection
ManagementBosch
Fuel typeShellracinggasoline
Oil systemDry sump(Shell RacingoilSR)
Output
Power output414–580hp(309–433kW)[59]
Torque output280–480lb⋅ft(380–651N⋅m)

TheAudi DTM V8 enginefamily is a series of prototype,four-stroke,3.6-liter to 4.0-liter,naturally aspiratedV-8racingengines,developed and produced byAudifor theDeutsche Tourenwagen Meisterschaft,between 1990 and 1992; and later theDeutsche Tourenwagen Masters,between 2000 and 2018.

Audi V8 DTM

edit

Audi developed aGroup Acompetition version of theAudi V8 enginefor entry into theDeutsche Tourenwagen Meisterschaft(DTM) (German Touring Car Championship)auto racingseries equipped with a 309kW(420PS;414bhp), later 340kW(462PS;456bhp), 3.6 V8 engine and 6-speed manual transmission, and began racing with it in1990with Schmidt MotorSport (SMS) running the operation, andHans-Joachim Stuck,Walter RöhrlandFrank Jelinskidriving.[40][41][60]

Audi TT-R DTM

edit

The Audi TT-R DTM uses a 4.0 L (244 cu in) Audinaturally-aspiratedV8 enginein partnership with Neil Brown Engineering for development, building, assembly, maintenance and tune-up role, it has a power output of approximately 455 hp (339 kW; 461 PS) @ 6,800 rpm and a maximum torque of about 510 N⋅m (376 lbf⋅ft) @ 6,000 rpm, while using two 28 mm (1.1 in)air intake restrictors.[61]

Audi A4 DTM

edit

The Audi A4 DTM is powered by a 4.0 L (244 cu in) Audinaturally-aspiratedV8 enginein partnership with Neil Brown Engineering for development, building, assembly, maintenance and tune-up role, it has a power output of approximately 460 hp (343 kW; 466 PS) and a maximum torque of more than 500 N⋅m (369 lbf⋅ft).[62][63][64]

Audi A5/RS5 DTM

edit

The A5 DTM was still fitted with a V8 engine that used in a previousAudi A4 DTMand Abt-Audi TT DTM were built jointly by Audi and Neil Brown Engineering (NBE) rated at 460 hp (343 kW) and coupled to a 6-speed transmission grafted from the previous A4 DTM car, while using a Bosch MS 5.1ECU.[65][66][67][68][69][70][71][72]

After the 2012 season, the vehicle was renamed RS5 DTM, corresponding with theAudi RS5production model. It is powered by anaturally-aspirated engineand 2xDOHCcamshafts. The engine itself is a custom-built Audi 4.0 L V8, with four valves per cylinder, and a 90-degree V-angle. It now has a power output of over 500 hp (373 kW; 507 PS) and torque of over 500 N⋅m (369 lbf⋅ft).Front enginedand longitudinally mounted engine mounting layout, the RS5's engine is indirectfuel injected.The RS5 DTM's ECU is aBoschMotronic MS 5.1 and other components such as theCDIignition are also supplied by Bosch.[73][74][75][76][77][78]

Applications

edit

References

edit
  1. ^"VIDEO: Check out the history of the Audi V8".13 May 2020.[permanent dead link‍]
  2. ^"Audi V8 3.6 | Top Car Guide".topcarguide.Archived fromthe originalon 27 March 2012.Retrieved19 April2022.
  3. ^"All AUDI V8 models by year, specs and pictures - autoevolution".
  4. ^"Virtually Brand New 1990 Audi V8 Is A Time Capsule That'll Cost You As Much As 2020 A8".Carscoops. 10 May 2020.Retrieved12 August2022.
  5. ^"Rare Rides: The 1990 Audi V8 Quattro, First Time Full-size Failure".28 October 2020.
  6. ^"Audi V8 Quattro 3.6 specs, performance data".
  7. ^"Audi V8: Der Motor".
  8. ^"Audi A8 (D2) 3.7 40v Quattro Technical Specs, Dimensions".
  9. ^"4.2 TDI Engine - In-Depth Look at Design and Reliability".
  10. ^"1999 Audi A8 3.3 TDi quattro specifications | technical data | performance | fuel economy | emissions | dimensions | horsepower | torque | weight".
  11. ^"All AUDI A8 (D2) models by year, specs and pictures - autoevolution".
  12. ^"1999 Audi A8 Reviews".
  13. ^"Audi V8 4.2 Technical Specs, Dimensions".
  14. ^"Audi V8 4.2 specs, 0-60, quarter mile".
  15. ^"Audi A8 (D2) 4.2 Quattro Technical Specs, Dimensions".
  16. ^"Engines".
  17. ^"Official Audi RS5 Details Released - 4.2-liter V8 with 450 PS / 444 hp".
  18. ^"Audi V8 4.2 Long Technical Specs, Dimensions".
  19. ^"1998 Audi A8 Long (D2, 4D) 4.2 V8 40V (310 Hp) quattro Tiptronic | Technical specs, data, fuel consumption, Dimensions".
  20. ^"Audi A6 (C5) 4.2 V8 Quattro Technical Specs, Dimensions".
  21. ^"The 5 Most Common Audi 4.2 V8 Engine Problems".26 July 2021.
  22. ^"Audi 4.2L DOHC V-8".30 December 2003.
  23. ^"The V-8 Version of the Bentley Continental GT is Here with 542 HP".18 March 2019.
  24. ^"Continental GT V8".
  25. ^"Bentley Reveals Secret Behind New V8 Engine".18 January 2021.
  26. ^"Engines on test: Lamborghini Urus 4.0 V8".11 April 2019.
  27. ^"New Lamborghini Urus SUV revealed in full – due in 2018".
  28. ^"2022 Lamborghini Urus Review, Pricing, and Specs".6 January 2022.
  29. ^Bentley Continental GT V8[usurped]
  30. ^V8-Diesel im Audi SQ7: Zukunft, Konkurrenz - Fette Acht statt sechs in Reihe
  31. ^Self Study Program 652 - Audi 4.0l V8 TDI engine of EA898 series
  32. ^"Audi SQ7 435 HP from V8 Block".Archived fromthe originalon 11 February 2018.Retrieved27 October2021.
  33. ^4-Liter-Achtzylinder EA 898 Der neue Super-Diesel des VW-Konzerns
  34. ^"2000 - 2002 Audi R8 - Images, Specifications and Information".Ultimatecarpage.
  35. ^"Audi R8 405 Brochure"(PDF).taylorandcrawley.Retrieved17 September2023.
  36. ^"You can now buy one of the most dominant cars in Le Mans history".CAR Magazine.
  37. ^"2000 Audi R8 | Audi".20 April 2016.
  38. ^"Find of the Day: Audi R8 LMP900 Endurance Racer".14 April 2020.
  39. ^"Last Stop at Le Mans for the Audi R8".audiworld.
  40. ^ab"The DTM season 1990".DTM.Archived fromthe originalon 30 October 2012.Retrieved25 September2012.
  41. ^abCar: The Definitive Visual History of the Automobile.Penguin. 2011. pp.252–3.ISBN978-0-7566-8938-4.
  42. ^"Audi V8 Quattro DTM: Chauffeur limo for the racetrack | CAR ENGINE AND SPORT".
  43. ^"1999 Audi R8R - Images, Specifications and Information".Ultimatecarpage.
  44. ^"Mulsanne's Corner: 1999 Audi R8R".mulsannescorner.
  45. ^"1999 Audi R8R | Audi".21 April 2016.
  46. ^"Mulsanne's Corner: 2001-2005 Audi R8".mulsannescorner.
  47. ^"Mulsanne's Corner: 2000 Audi R8".mulsannescorner.
  48. ^Honeywell Turbo Technologies."Honeywell Turbo Technologies » Honeywell Turbos Boost 14th Consecutive Victory at 24 Hours of Le Mans".honeywell.Archived fromthe originalon 10 July 2018.Retrieved2 February2014.
  49. ^"2003 Bentley Speed 8 | Bentley".5 April 2016.
  50. ^"2003 Bentley Speed 8 - Images, Specifications and Information".Ultimatecarpage.
  51. ^"Bentley Speed 8 specs, lap times, performance data".FastestLaps.
  52. ^Neil, Dan (1 July 2003)."Bentley Speed 8".Car and Driver.
  53. ^"Mulsanne's Corner: 2003 Bentley Speed 8".mulsannescorner.
  54. ^"2002 Bentley EXP Speed 8".Autodius.Archived fromthe originalon 11 March 2024.Retrieved11 March2024.
  55. ^"Bentley Speed 8 - 2003 Le Mans Winning Car".SnapLap.16 November 2016.
  56. ^"Bentley EXP Speed 8 (2002)".NetCarShow.
  57. ^"Hero Racecars - 2001 Bentley Speed 8 LMP1 Winner Laid Bedrock for Modern Flying B".18 November 2014.
  58. ^"Mulsanne's Corner: 2001-2002 Bentley EXP Speed 8".mulsannescorner.
  59. ^"Audi TT-R DTM WTTR - 580Hp V8 Engine Hillclimb Monster by Vladimir Vitver - FIA Hill Climb Masters".YouTube.30 December 2018.
  60. ^"Audi V8 Quattro DTM: Chauffeur limo for the racetrack | CAR ENGINE AND SPORT".
  61. ^"ABT Audi TT-R DTM Winner".24 February 2024.
  62. ^"2004 Audi A4 DTM 'R9' Specifications".
  63. ^"2009 Audi A4 DTM R14 plus | Review".20 April 2016.
  64. ^"2008 Audi A4 DTM Specifications".
  65. ^"2013 Audi A5 DTM @ Top Speed".10 February 2013.
  66. ^"2012 Audi A5 DTM - Images, Specifications and Information".
  67. ^"Audi Presents the New A5 DTM - European Car Magazine".13 September 2011.
  68. ^"Audi A5 DTM racing car".
  69. ^"Audi A5 DTM at the IAA 2011 | CAR ENGINE AND SPORT".
  70. ^"Audi A5 DTM (2012) at the Frankfurt motor show".
  71. ^"Audi presents the new A5 DTM".Archived fromthe originalon 8 April 2022.Retrieved11 March2024.
  72. ^"2012 Audi A5 DTM technical and mechanical specifications".
  73. ^"Audi RS 5 DTM".8 March 2017.
  74. ^"2018 Audi RS 5 DTM @ Top Speed".17 July 2018.
  75. ^"The New Audi RS 5 DTM Press Release".9 March 2017.
  76. ^"2013 Audi RS5 DTM @ Top Speed".5 March 2013.
  77. ^"2014 Audi RS 5 DTM @ Top Speed".31 March 2014.
  78. ^"Audi RS5 DTM".27 March 2015.
  79. ^"1990 Audi V8 Quattro DTM Specifications".
  80. ^"1992 Audi V8 Quattro DTM Specifications".
  81. ^"Celebrate the return of DTM with this glorious Audi V8".8 June 2020.
  82. ^"1990 Audi V8 Quattro DTM | Audi".21 April 2016.
  83. ^"Remembering Audi's Championship-Winning V8 Quattro DTM Car".3 February 2015.
  84. ^"Audi TT-R - Tech Specs".
  85. ^"Audi TT-R DTM (8n)".27 September 2012.
  86. ^"This Audi TT Has the Naturally Aspirated V8 Heart from a DTM Car".8 January 2019.
  87. ^"Find of the Day: 2000 DTM Audi ABT TT-R".26 January 2022.
  88. ^"Abt Audi TT-R to test in England".

Further reading

edit
Retrieved from "https://en.wikipedia.org/w/index.php?title=Volkswagen-Audi_V8_engine&oldid=1275780860"