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      09-07-2020, 11:49 AM   #345
rhyary
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Drives: 2013 M3
Join Date: May 2015
Location: Albany, NY

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An interesting observation.

I just realized that I can actually run true square with two sizes. 265/35/19 and 285/30/19.

Even if I don't want to run square, it means that I can squeeze another track day from the fronts, by moving them to the rear, once they are no longer fast up front. If I do that, the question would be what to out on the front.

This is not for a wet day, but for a dry day, with plenty of traction it can be interesting.

It is worth doing on NYST day since I have so much data from that track. And because any good time there is about front grip, it almost doesn't matter that much what I have in the rear.

I just got rid of both 285/30/19 PS91 and 265/35/19 RE050A both could have been fine being on the rear and I could have tested lap times with these. I was just not thinking....
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