Zytek ZG348 (2002)
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Specifications

Zytek ZG348, 4 stroke
Introduced in 2002
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3398cc

Dimensions

Cylinders arrangement: V8 (90o)
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

╬Łatural 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
ZA348-engine-3.jpg Source
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