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The official SAE certification is complete adn teh LS3 in teh GXP is rated at 415 hp and 415 lb-ft torque. Although still 15-20 less than what it puts out in a Corvette the anticipated 421 hp for this same engine rpojected (but not yet certified) in the Camaro was depressing to some. A G8 GXP will never beat a Camaro in a 1/4 mile, but 6 hp is easily explained by extra exhaust plumbing.

http://media.gm.com:8221/us/powertr... IV/Gen IV Car/2009_62L_LS3_combination_n.pdf
 

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Hellooooooo? Is there anybody out there?

Where is everyone Chief???
 
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