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It's official: ZR-1 LS9 engine makes 638hp / 604tq !!
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04-25-2008, 07:09 AM
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ihc95
Drives: 2018 GT PP1 A10
Join Date: Mar 2008
Location: NJ
Posts: 673
WOW!!! That is 7 more HP and 117 more torque than this...
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