LS1 V8 in the S2000 video? Hilarious
11-21-2010, 04:58 PM
#21
5.3 liter. I guess this would be a 327ci engine? I don't know what this motor came in from the factory other then the Avalanche. Anyone know what the power specs are on this motor?
11-21-2010, 08:38 PM
#22
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11-21-2010, 08:55 PM
#23
Originally Posted by m R g S r,Nov 21 2010, 09:38 PM
it's an LS1...theres a whole site devoted to em...www.ls1tech.com 
11-22-2010, 05:48 AM
#24
Junky is correct, the 5.3L is GMs truck engine. It's popular for swaps because it's considerable cheaper than the high performance variant. It also had a iron bottom vs aluminum.
This may also be a LS4. Borrowed from crateenginedepot.com:
Perhaps the most unique application of the LS engine in a car, the LS4 is a 5.3L version used in the front-wheel-drive Chevrolet Impala SS and Pontiac Grand Prix GXP. The LS4 has an aluminum block and unique low-profile front-end accessory system, including a “flattened” water pump to accommodate the transverse mounting position within the Impala and Grand Prix. It is rated at 303 horsepower and 323 lb-ft of torque.
This may also be a LS4. Borrowed from crateenginedepot.com:
Perhaps the most unique application of the LS engine in a car, the LS4 is a 5.3L version used in the front-wheel-drive Chevrolet Impala SS and Pontiac Grand Prix GXP. The LS4 has an aluminum block and unique low-profile front-end accessory system, including a “flattened” water pump to accommodate the transverse mounting position within the Impala and Grand Prix. It is rated at 303 horsepower and 323 lb-ft of torque.
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