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intoflatlines · 06-09-2014, 10:25 AM

I went to the Tire Rack track this weekend for Windy City BMW's autocross. Kept the fronts at 34 cold and dropped the rears to 34 to match. The car felt decent and didn't seem to lose grip too much at the end of the runs. After 4 runs of ~55 seconds, the pressures were around 39 psi. I might drop them a pound more cold next time. How does the wear look? I got an alignment hoping for more negative camber up front (using camber washers) but it was apparently not possible due to my tires rubbing on the struts? Oh well, they put me at zero toe up front (might get a little bit of toe out next time) to help with the feathering. I haven't pulled the tires off to see how the wear on the inside is though...

Front Left:

Front Right:

Rear Left:

Rear Right:

06-09-2014, 10:25 AM	#23
intoflatlines Lieutenant 67 Rep 501 Posts Drives: Z4MR, E34, E30 Join Date: Mar 2013 Location: Chicago iTrader: (0)	I went to the Tire Rack track this weekend for Windy City BMW's autocross. Kept the fronts at 34 cold and dropped the rears to 34 to match. The car felt decent and didn't seem to lose grip too much at the end of the runs. After 4 runs of ~55 seconds, the pressures were around 39 psi. I might drop them a pound more cold next time. How does the wear look? I got an alignment hoping for more negative camber up front (using camber washers) but it was apparently not possible due to my tires rubbing on the struts? Oh well, they put me at zero toe up front (might get a little bit of toe out next time) to help with the feathering. I haven't pulled the tires off to see how the wear on the inside is though... Front Left: Front Right: Rear Left: Rear Right:
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