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Old 08-18-2014, 03:09 PM   #6
GretchenGotGrowl


 
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Drives: 11 F150 EB/13 Sonic RS/15 Z06
Join Date: Sep 2010
Location: Little Rock, AR
Posts: 7,129
I'm not sure exactly which GT28s they use, but if it is the GT2860RS with the larger A/R then I think ~700+ HP at the crank would be a reasonable expectation. Of course, you can always upgrade them later if you want more power.
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