Zytek ZJ458 (2007)
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Specifications
Zytek ZJ458, 4 stroke, petrol/ethanol E10 engine
Introduced in 2007
4496cc
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Dimensions
Cylinders arrangement: V8 (90o)
Strokes: 4
Bore x Stroke:
Capacity: 4496 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
Zytek EMS 4.5.2 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 |
|---|---|---|---|---|---|
| 2007 | Zytek 07S | MPFI | 473.5 kw / 635 bhp | 583.0 nm / 430 ft lbs | |
| 2009 | Zytek 09S | MPFI | 473.5 kw / 635 bhp | 583.0 nm / 430 ft lbs | |
| 2011 | Zytek 09S Hybrid | MPFI | 473.5 kw / 635 bhp | 583.0 nm / 430 ft lbs |
Source
page revision: 8, last edited: 03 Feb 2018 06:24