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· Pro FFR Builder and Moderator
14,870 Posts
If you are using 17's with 245/45's and 275/40's- Front 23psi rear 27psi. If you are using 15" with T/A's 25psi front 30psi rears. When I get the coupe figured out with 275/40's in the front and 335/35's in the rear I will let you know. Use the same tire pressures all the time. On a race track you may need to very the pressures a couple of pounds depending how the car feels.
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