To prove that red-blooded power mixes easily with a touch of green, Leno partnered with Pratt & Miller – the engineering company that builds and campaigns C6.R Corvettes – to develop a modified Corvette Z06 that is capable of running on E85 ethanol. It was unveiled at the 2007 SEMA Show.More than merely a conversion of the stock LS7 engine to E85 capability, Leno’s alternative-fuel supercar is powered by a custom, 8.2L (500-cubic-inch) all-aluminum small-block V-8 that pumps out approximately 600 horsepower and 585 lb.-ft. of torque.
The engine is built around a custom aluminum cylinder block that was CNC-milled from a single block of billet aluminum. And while the cylinder heads, intake system and dry-sump oiling system are stock LS7 components, the engine – which has larger bore and stroke dimensions than the 7.0L (427-cubic-inch) LS7 – uses a one-off reciprocating assembly, including a forged steel crankshaft, forged rods and forged pistons. Katech Engines, the company that builds engines for the Corvette C6.R racing program, developed the engine.
The fuel system and engine control computer were modified to accommodate E85, and spent gases exit through a Corsa exhaust system. Supporting the 600-horse engine’s power is a blueprinted and strengthened T-56 six-speed transmission and a high-performance Centerforce dual-friction clutch.
© Source: seriouswheels
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