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Corvette ZR1 chief engineer Tadge Juechter recently sat down to participate in a live chat on GMNext to answer questions about Chevy's new supercar, with topics ranging from fuel-economy to production numbers. GM hasn't run its fuel economy test yet, but in a previous release from the General, it expects the ZR1 to be the most fuel-efficient 600-hp vehicle on the market. Juechter did say that the ZR1, "will be somewhat less [fuel-efficient] than a Z06," which is currently rated at 15/24 by the EPA, "and we expect a small gas-guzzler tax [on the ZR1]." Production will be limited to 2,000 units each year for worldwide consumption and pricing will be revealed sometime this month. Juechter went on to say that ZR1 accessories wouldn't be made available for lesser Corvette models, so buyers won't be able to option up for carbon-ceramic brakes or Michelin tires on their Z06s. When asked if engineers considered all-wheel-drive for the ZR1 , he emphasized that...
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(from General Motors Press Release) Chevrolet officially announced the 2009 Corvette ZR1 – an American supercar that brings the technology and engineering refinement of carbon-fiber, ceramics and electronics together in a distinctive design. “Chevrolet’s goal with the new ZR1 is to show what an American supercar can deliver, at a price that trumps exotics that cost two, three or four times as much – and does so with exceptional driveability,” said Ed Peper, Chevrolet general manager. The ZR1’s basic stats: -All-new LS9 supercharged 6.2L V-8 targeted at producing at least 100 horsepower per liter, or 620 horsepower (462 kW), and approximately 595 lb.-ft. of torque (823 Nm); -Six-speed, close-ratio, race-hardened manual transmission; -New, high-capacity dual-disc clutch; -Higher-capacity and specific-diameter axle half-shafts; enhanced torque tube; -Specific suspension tuning provides more than 1g cornering grip; -Twenty-spoke 19-inch front and 20-inch rear wheels; -Michelin Pilot Sport 2...
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