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PONTIAC, Mich. - When it was introduced at the North American International Auto Show in Detroit earlier this year, the 2009 Chevrolet Corvette ZR1's power was estimated at 100 horsepower for each of its 6.2 liters of displacement. GM Powertrain has completed SAE certification of the ZR1's supercharged LS9 V-8 and the results exceed the estimate: 638 horsepower (476 kW) and 604 lb.-ft. of torque (819 Nm).
The LS9's output is nearly 103 horses per liter, or just about 1.7 horses for each of the engine's 376 cubic inches. It is unquestionably the most powerful automotive production engine ever manufactured by General Motors and enables the Corvette ZR1 to achieve a top speed of more than 200 mph (322 km/h).
"One of the most amazing things about the Corvette ZR1 is the level of refinement that our designers and engineers have attained. Even with all that power, this car has road manners that will allow our customers to enjoy it on the streets as a... [Read More]
It's not secret that we're psyched about the 2009 Chevrolet Corvette ZR1. So while we've already seen a lot of the upcoming super 'vette in blue, gray, and even with its LS9 engine in pieces, we're excited to see up close shots of it in red and yellow. And now, thanks to some kid hanging out near Corvette HQ in Kentucky, we have. How exactly were the ZR1s caught? They stopped to get burgers. Just don't tell Jeremy Clarkson; we'll never hear the end of it.
We've had to endure our fair share of craptacular rental whips during our travels (Faux carbon fiber trim in a minivan? Seriously Dodge?), but making the trek from airport to hotel to auto show and back could be a bit more bearable behind the wheel of a new Corvette. That's exactly what Avis is doing, by adding the 430-hp 6.2-liter V8 convertible 'Vette to its line of "Cool Collection" cars. While the $164.99 daily rental price isn't too hard to swallow, the drop-top Corvette's availability will be limited to the warm climes of Arizona, California, Florida and, appropriately, Las Vegas. If there aren't any more Shelby GT-Hs available through Hertz, we think we might have found our next ride for the LA Auto Show or SEMA.
by ... [Read More]
It used to be that American muscle cars were competing against themselves when it came to power. But rumor has it that, in the case of the Chevrolet ZR-1, the domestic horsepower war has a new international benchmark: the BMW M-division V10.
Word is that "German competition is driving the higher horsepower and torque numbers coming to the Corvette." Chevy engineers said that the new LS9 was created to "match up favorably" with the V10 found in the M5 and M6. The supercharged 6.2-liter LS9 has 620HP and 595 lb-ft of torque, with 535 lb-ft available from 2,600 RPM and a 6,200-RPM redline. The high-revving, naturally aspirated 5.0-liter V10 has 507 HP and 385 lb-ft of torque, and goes all the way up to 8,250-RPM.
It's good to see Chevrolet taking its cues from the best, no matter whether its domestic or... [Read More]
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