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Old 08-14-2012, 07:52 AM   #5
Johnny Danger
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Join Date: Nov 2008
Location: Massachusetts
Posts: 4,810
Garage
Quote:
Originally Posted by Topless View Post
Unless you are running a 3.6L or turbo you are probably nowhere near 300rwhp. Get it on a true dyno so you know what you are working with. Oversized wheels can work well in AX but slow you down on large tracks. Too much unsprung, rotational weight and straight line rolling resistance. The fastest Boxsters in SoCal are running 245/275 tires.
+1 on that !
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