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I have always run 12.5 psi in my slicks, now I am spraying the car and it "sashays" at 150mph. Do guys run more air pressure than this and still have the tire working? I have never tried to increase, because this pressure has always "worked". I run the tire tubeless and on a 10" wheel.
 

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I have always run 12.5 psi in my slicks, now I am spraying the car and it "sashays" at 150mph. Do guys run more air pressure than this and still have the tire working? I have never tried to increase, because this pressure has always "worked". I run the tire tubeless and on a 10" wheel.

Raceweight? At 3900lbs I went from swaying at 14psi to quicker 60's and no sway at 17psi. Try upping the pressure pass to pass and watch the 60's.
 

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i run the 3055s on an 8in rim at 10psi no tubes on a 8-7sec car at 156mph moves around a little in the top end but not enough to concern me havent tried other pressures as it works fine at 10psi but i suppose every car is different
 
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