Zytek 2ZG408 (2006)

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Specifications

Zytek 2ZG408, 4 stroke
Introduced in 2006
3997cc

Dimensions

Cylinders arrangement: V8 (90^o)
Strokes: 4
Bore x Stroke:
Capacity: 3997 cc
Compression ratio:

Construction materials

aluminium alloy block
cylinder head: aluminium alloy
forged steel crankshaft with 5 main bearings
steel connecting rod

Cylinder-head

crossflow design
DOHC
4 valves per cylinder - 32 valves total

Aspiration

Νatural with Zytek multipoint electronic Fuel Injection, inlet restrictors depending group regulations

Ignition

ECU
2006: Zytek EMS 4.5 engine management
2007+: Zytek EMS 4.6.1 engine management
Firing order, 1-8-3-6-4-5-2-7

Cooling and lubrication

water cooled
dry sump

Torque values

Models used and Output

Year	Model	Induction	Compression ratio	Power	Torque
2006	Zytek 06S	MPFI		620 bhp / 463 KW @ 9200 rpm	530 Nm / 391 ft lbs @ 7500 rpm
2007	Zytek 07S	MPFI		620 bhp / 463 KW @ 9200 rpm	530 Nm / 391 ft lbs @ 7500 rpm