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      07-03-2012, 10:38 PM   #17
macming
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Drives: E46 M3
Join Date: Jun 2012
Location: Ontario

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Quote:
Originally Posted by therealsullyz View Post
-2 or more degrees of camber up front is less than ideal for a street setup if your looking for great tire wear. However, you can get away with it to some degree if you run zero toe. Any toe in or out is going to increase the amount of wear. It's still going to wear the insides more, just not as quickly as if you have toe in OR toe out.

What I find funny is how everyone thinks -3 degrees of camber is the magic number for the track. I've found that -3 degrees is too much on my E46 when running a 275 square setup. Other things come into play here like spring rates, tire widths, etc. The best way I know to determine the right amount of camber is to test tire temps. If you're not checking tire temps you simply do not know what the magic number is for your setup and driving style.
Interesting. I ran -4 degrees of camber with my E46 M3 at the last track day, and there was significant wear on the outside of the tires.

I suppose the extra camber (moved from -2 with min toe to -4 with my camber plates) resulted in a bunch more toe in. I will likely back off on my camber adjustment next time.

What type of tire temp is optimal? I suppose the tire temp on track will be different off track after a cool down lap ..etc