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Originally Posted by catchm3com
I'm running 18x10's w 275/35/18 direzzas, any suggestion on what pressures I should set em? i tried using 41lbs in the front, 38's in the back and it felt fine. just wanna see what others are doing.
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I would run those pressures HOT or a little lower. I run 36 F and 33R cold and gain a lot of heat in the fronts; like 3psi per 50 second run. Above 42 I have felt the car break traction or become unsettled easier. You can see it if you are trail braking and really pushing it.
I go 37/35 hot for autocross. Dont forget I am running R comp tires R888s and RA1s. Different tires than you, but I ran stock PS2s fairly close to that too. Also I am crazy about the right settings and chalk my tires to make sure they are using the perfect amount of tread.