HP from Jegs Sportsnats
Who got this? Ouch....
The horsepower rating for 1971 Chevrolet, entries with the 454 cubic inch engine and a factory rating of 425 currently rated at 424, has been increased by twenty three horsepower, to 447 horsepower; for Super Stock GT Eliminator.
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Ed Carpenter
2005 Chevy Cobalt A/SM
Race Engine Development
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