oldguysrt10
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The 900 (fwhp) or so I posted was ballpark considering power to weight ratio for my QC versus my wife's C6, and considering hers is bumped 11% over stock. Allowing for your SC versus QC, assuming your post is for stock C6s, and calculating your 620 rwhp to about 720 at the flywheel, we're pretty much apples to apples. If my wife's C6 was stock I would have posted 800 fwhp required, in a SC versus my QC, about 720 fwhp for your 620 rwhp pretty much matches the same ratios. Still would be a tight race.
