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      06-11-2012, 08:31 PM   #5
Porschefile
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Drives: E92 M3
Join Date: Jul 2008
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Quote:
Originally Posted by Richbot View Post
Have you asked them if they will shave used tires for you? It's possible, it's just a PITA to check the tires for stones and other crap in the tread before shaving

http://www.racerpartswholesale.com/p..._Strengtheners
Interesting, I've seen ads for that stuff in GRM and other places and always kinda suspected it was a gimmick. Do you have experience with it? What compounds does it improve? (I was guessing it couldn't save true slicks that had 20 HC's and would be pointless on normal street tires?)

OP: I wouldn't shave used tires. In my experience RA1's got fastest right before cording though, don't remember heat cycles being an issue.