The MG Metro 6R4 (6-cylinder, Rally ... in whose hands it evolved into a 3.5-litre twin-turbo unit that appeared in Jaguar’s Group C racers and the XJ220 road car. The 6R4 itself continued ...
to equip a 3.5-liter twin-turbo V6 engine with 550 horsepower derived from the MG Metro 6R4 of Group B. The work progressed ...