Nissan VRH50A (1999)

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Specifications

Nissan VRH50A, V8 (90^o) cyl, 4 stroke, petrol engine
Introduced in 1999
VRH
V=V engine configuration
R=Racing
H=The eighth letter of the alphabet = Eight cylinders

Dimensions

Cylinders arrangement: V8 (90^o)
Strokes: 4
Bore x Stroke: 96.0 x 86.3 mm
Capacity: 4997 cc
Compression ratio: 14.0:1

Construction materials

aluminium alloy 'Closed Deck' block, 108 mm bore spacing
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
Sodium-filled exhaust valves

Aspiration

Natural with multipoint electronic fuel injection

Ignition

ECU, Nissan Electronics/Hitachi HN-1
Firing order, 1 - 8 - 7 - 3 - 6 - 5 - 4 - 2
Source

Cooling and lubrication

water cooled
dry sump

Torque values

Models used and Output

Year	Model	Induction	Compression ratio	Power	Torque
1999	Nissan R391	MPFI		600 HP @ 7500 RPM	618 NM @ 5800rpm

Source