Aston Martin AM04 (2004)

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Specifications

Aston Martin AM04, V12 (60º) cyl, 4 stroke, petrol engine
Introduced in 2004
5935 cc
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Dimensions

Cylinders arrangement: V12 (60^o)
Strokes: 4
Bore x Stroke: 89.0 x 79.5 mm
Capacity: 5935 cc
Compression ratio:

Construction materials

aluminium alloy block
cylinder head: aluminium alloy
forged steel crankshaft with 7 main bearings
steel connecting rod

Cylinder-head

crossflow design
DOHC
4 valves per cylinder - 48 valves total

Aspiration

Νatural with Pectel multipoint electronic Fuel Injection
GT1: 2 x 31.2mm inlet restrictors
LMP1: 1 x 47.8mm inlet restrictor

Ignition

ECU, Pectel
Firing order with A as left bank of the cylinders: 1A, 6B, 5A, 2B, 3A, 4B, 6A, 1B, 2A, 5B, 4A, 3B

Cooling and lubrication

water cooled
dry sump

Torque values

Models used and Output

Year	Model	Induction	Compression ratio	Power	Torque
2004	Aston Martin DBR9	MPFI		600 bhp / 448 KW @ 6500 rpm	650 Nm / 479 ft lbs @ 5500 rpm
2008	Lola B08/60	MPFI		650 bhp / 485 KW @ 7000 rpm	725 Nm / 535 ft lbs @ 6250 rpm
2009	Lola Aston Martin DBR1-2	MPFI		650 bhp / 485 KW @ 7500 rpm	770 Nm / 568 ft lbs @ 6,000 rpm