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Old 11-16-2011, 02:25 PM   #22
Betiwin
 
Drives: CTS-V Coupe and GT500
Join Date: Nov 2011
Location: Indiana
Posts: 189
Its the same weight +50 or so pounds plus a way more efficent blower. The HP means nothing to fuel economy number untill you give it boost. So when cruising in 6th is could have 200 more hp (by spinng the blower harder at WOT) but have the same fuel eco as before. Esp when u factor in the gearing. It's not hard to figure this out.
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