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Old 06-07-2009, 05:09 PM
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4pipes 4pipes is offline
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Join Date: Jan 2005
Location: saratoga, ca
Cobra Make, Engine: Kirkham #185, Shelby Alloy 482; sold
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Quote:
Originally Posted by Tom Kirkham View Post
Everything is a trade off. Steering response increases with higher pressure. The best way to determine where the pressures should be, is as has been stated by measuring the tire temp. Another very good method is watching the wear pattern on the tires. Our cars have typically worn very evenly at about 30 psi. A trick autocross racer use is marking the corner of the tire with white shoe polish to make sure that the tire is not rolling over onto the side wall...
You're right about tire wear. Tom. I measured all four this morning with calipers and wear is very uniform across the tire after 7k miles. Up until now, I've maintained 30psi F/R. I'm going to try 26F/24R for a while.
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Last edited by 4pipes; 06-07-2009 at 06:56 PM..
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