The LS9 engine is teamed with a new, stronger six-speed manual transmission and a twin-disc clutch that provides exceptional clamping power, while maintaining an easy clutch effort. The LS9 engine, is actually the most powerful General Motor's ever had. The LS9 engine is expected to produce approximately 650 hp.

GM's supercharged 6.2L LS9 engine small block V8 packs at least 620 hp and nearly 600 lb-ft of torque, and its duty is to finally put the Corvette into the supercar club. GM's plan for the LS9 engine included a supercharger, and it felt the 427 cubic-inch block wasn't strong enough to reliably hold up to the intended boost. Instead, a beefed-up 6.2-liter LS3 block will be used. GM's supercharged 6.2L small block V8 packs at least 620 hp and nearly 600 lb-ft of torque, and its duty is to finally put the Corvette into the supercar club.

Chevrolet is hoping the ZR1 will attract the type of buyer that usually shops for exotic foreign cars. Even with its $100,000 sticker price, the ZR1 is still more affordable than a new Ferrari or Lamborghini. Chevrolet has finally released pictures of the power plant that will propel one of the most clandestine projects of the decade. The upcoming 2009 Chevrolet Corvette ZR1 will be officially powered by the 6.2-liter LS9 engine. Chevrolet has said that its goal with the new ZR1 was to show what an American super car can deliver. That too at a lower price compared with other peer models that sport price tags around three times more than its price.

According to GM, the LS9 engine has now been SAE Certified at 638 hp and 604 lb-ft of twist. The official EPA fuel economy testing hasn't been finished and for people who buy a ZR1 it probably won't matter anyway. According to fueleconomy.gov, the ZR1’s EPA-rated 14 mpg city and 20 mpg highway mileage ratings beat 2008 competitors such as the Ferrari 599 GTB (11/15); the Lamborghini Murcielago (8/13) and the Aston Martin V8 Vantage (12/19).

GM’s engineers impact finished a magnificent employ of packaging the LS9 and different the primeval ’90s C4-based ZR-1, this digit has a solidified scheme that doesn’t stir and rattle. GM quotes a 0-60 time of 3.4 seconds, achieved in the steep first gear. The quarter-mile mark subsequently whisks by in 11.3 seconds at 131 mph, on the way to a top speed of 205 mph in sixth gear.

Powered by a supercharged LS9 engine 6.2L small-block engine, the ZR1 hasn't even received an official horsepower number from the engineers toiling away at the General. All Harlan Charles, project manager for the Corvette team was able to tell us last week was the new high-powered Vette engine is capable of producing at least 100 horsepower per liter.

The LS9 engine was developed to motivate GM's latest supercar, the ZR1 Corvette , and if it hoped to surpass the world-class performance of the Z06, GM knew it would need something special under the hood. The LS9 engine is said to produce 463kw I hope they make it!