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hi my friend sold me a old pair of M/t slicks, 260/60 15 i would like to use them at the drag 1/8 in mexicali the thing is i dont know how many pounds is the ideal to run with them i have the 1989 notch with 3,73 gears, cobra upper and lower intake, gt40p heads, 270 cam and some more mods.... hope you guys help me
 

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If they're actual slicks and not drag radials, start at 20 psi and adjust from there. Every car is different, and it'll also depend on weather conditions too so start at 20 and make adjustments as you make consecutive runs. If it's hot, you may not need to drop the pressure as much. If you spin, then take 2 psi out. If you bog, put 2 psi in.
 
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