Storied Porsche tuner Ruf has taken to the Goodwood Festival of Speed to show off a wild new prototype supercar with a flat-eight boxer engine.
Known as the B8, the mule is powered by a twin-turbocharged 4.8-litre horizontally opposed lump at its rear - the same format as the 911 has always used – but with two extra cylinders.
Ruf claims it develops more than 986bhp and 737lb ft of torque - far more than the six-cylinder CTR3 on which the new car is based.
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