Zytek ZG348 (2002)

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Specifications

Zytek ZG348, 4 stroke
Introduced in 2002
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3398cc

Dimensions

Cylinders arrangement: V8 (90^o)
Strokes: 4
Bore x Stroke:
Capacity: 3398 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
2002-2003: Zytek EMS 4.5 engine management
2004+: 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
2002	Reynard 02S	MPFI		540 bhp / 403 KW @ 9500 rpm	441 Nm / 325 ft lbs @ 8000 rpm
2004	Zytek 04S	MPFI		540 bhp / 403 KW @ 9500 rpm	441 Nm / 325 ft lbs @ 8000 rpm
2007	Zytek 07S	MPFI		540 bhp / 403 KW @ 9500 rpm	441 Nm / 325 ft lbs @ 8000 rpm
2009	Zytek 09S	MPFI		475 bhp / 354 KW	443 Nm / 327 ft lbs @ 8000 rpm
2011	Zytek 09S Hybrid	MPFI		475 bhp / 354 KW	443 Nm / 327 ft lbs @ 8000 rpm

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