liter (500 cu in) V8 E85
approx 600 hp
hp per liter
(from General Motors
Press Release) GREEN AND MEAN: JAY LENOS E85-CAPABLE
Z06-INSPIRED C6RS CORVETTE BOASTS 600 HP AND ALTERNATIVE-FUEL
LAS VEGAS Tonight Show host Jay Lenos predilection for
performance cars is no secret, but many fellow enthusiasts may not
know that he is keenly interested in alternative fuels. 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, Lenos 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 C6RS is the result of an idea we hatched to prove that
high-performance cars and alternative fuel technology werent
diametrically opposed concepts, said Leno. I love the idea of
having 600 horsepower at my disposal, but using a homegrown
alternative to gasoline.
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 engines power is a blueprinted and
strengthened T-56 six-speed transmission and a high-performance
Centerforce dual-friction clutch.
On the outside, Lenos
bad and black C6RS emulates the styling of C6.R racecars, with wider
front and rear fenders and a wider rear fascia with an integrated
spoiler on top and a racing-style diffuser at the bottom (the
diffuser incorporates an LED-lit backup lamp). A C6.R-style
waterfall hood front fender louvers, rockers and lower grille
opening further define this special Corvette and all of the cars
front-end panels are made of carbon-fiber, including custom brake
air ducts routed through the front fenders. With all of its body
modifications, Lenos C6RS is 1.6 inches wider than stock.
The C6.Rs and production Corvettes aerodynamically styled
bodywork is designed to slice efficiently through the wind, which
helps enhance fuel mileage.
The race-ready look of the car is enhanced with a quartet of BBS
wheels that feature racing-type locking center hubs. The forged
aluminum 18-inch front wheels and 19-inch rear wheels ride on
Michelin P295/30ZR18 and P345/30ZR19 tires, respectively.
Adding authenticity to the cars custom bodywork was the involvement
of Pratt & Miller. The company took on the task of crafting Lenos
Corvette into a street-going replica of the racecars, which included
installing or fabricating a host of unique components, including:
A custom DeWitt
high-capacity radiator with dual cooling fans
A carbon-fiber ram-air induction system
Carbon-fiber inner fender panels that vent hot air from the
Brembo brakes with six-piston mono-block calipers in front and
four-piston rear calipers
Dyna-Mat used throughout the cabin and chassis to reduce
While the exterior and
drivetrain were inspired by the racetrack, the C6RSs cabin exudes
luxury, with premium touches and enhancements from Genuine Corvette
Accessories that include a two-tone shift knob and boot;
leather-covered console armrest, parking brake handle and boot; an
interior trim kit, racing-style pedal covers and more.
With its 600 horses on tap and domestically produced E85 fuel in the
tank, Jay Lenos alternative-fueled C6RS is an all-American supercar
that proves high performance and environmental consciousness go
together like the Corvette and checkered flags.