Austin-Rover V64V engine

The V64V engine was a purpose-built and specially made 3.0 L (180 cu in) naturally-aspirated DOHC V6 engine, designed, developed and produced by Austin-Rover, for the MG Metro 6R4 Group B rally car, between 1985 and 1986. ^[3][4]The engine then went on to power Group C cars from both Tiga and Ecosse.

Austin-Rover V64V engine[1][2] Jaguar JRV-6
Overview
Manufacturer	Austin-Rover Jaguar
Designer	David Wood
Layout
Configuration	90° V6, 24-valve, (four-valves per cylinder), DOHC, N/A
Displacement	3.0 L (183.1 cu in)—3.5 L (213.6 cu in)
Cylinder bore	92 mm (3.6 in)—94 mm (3.7 in)
Piston stroke	75 mm (3.0 in)—84 mm (3.3 in)
Cylinder block material	Cast aluminium alloy
Cylinder head material	Cast aluminium alloy
Valvetrain	24v DOHC (quad-cam)
Compression ratio	8.3:1—12.0:1
Combustion
Turbocharger	N/A, Twin-Turbo (XJ220)
Fuel type	Petrol
Oil system	Dry sump
Cooling system	Water-cooled
Output
Power output	380–750 hp (283–559 kW)
Torque output	270–590 lb⋅ft (366–800 N⋅m)

Alternate view of the engine

Another view of the V64V engine

Applications

• MG Metro 6R4
• Tiga GC287
• Ecosse C286