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      06-15-2012, 04:47 AM   #7
Merked M3
First Lieutenant
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Drives: E90 M3 6MT
Join Date: Apr 2011
Location: Sunnyvale, CA

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Originally Posted by admranger View Post
I've run full tread depth and shaved RA-1s on my e36m3 race car (sold). Full tread depth are fine, as long as you don't push them very much. I would recommend getting the new ones shaved slightly (2/32nds or so) at a minimum, or do a lot of highway miles with them. I chunked a new RA-1 at Phoenix at PIR. Too much for the right front on the banking. Laguna won't be kind to the right front either...

I agree with Porschefile. My fastest times on RA-1s occurred in the session I corded them.
I push my fronts really hard. This is making me want to order some 285/30/18 R888s shaved and call it a day.
2008 E90 M3 6-MT - Sold but not forgotten - amazing car

The next car, my Porsche Cayman S