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Old 2005-11-11, 03:11 PM   #14
sperry
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Real Name: Scott
Join Date: Nov 2002
Location: Portland, OR
Posts: 20,335
 
Car: '09 OBXT, '02 WRX, '96 Miata
Class: PDX/TT-6
 
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Quote:
Originally Posted by cody
Thanks all. I had only read Scott's responses before I left, but these tires have a max capacity of 51psi. I decided to go with 38.5 in the front and 36 in the rear. This was after driving on the freeway for a couple miles, but I'm going to assume the tires were "cold".

Does that sound okay to start? I'll definately check them after/during the first run to see how they do. Thanks for the chalk tip Dean...I always wondered what those triangles are for.
That might be a little high. I was assuming a max pressure in the 40-45 range... just because the tires will handle 50+ doesn't mean that's where the traction is.

Starting at 36f/34r cold is probably more realistic. If you get out there and unintentionally over-drive the car, you'll put a lot of heat into the front tires very quickly. You can always adjust the pressures after the 1st session.
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