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Re: drag radial tire pressure
At the track you want to run the pressure as high as you can while maintaining traction. Usually radials like a little bit higher pressure than bias-ply's do. I've never used hoosier DR's, but with mickey's I usually start around 22psi and start working your way down from there. Remember track prep and suspension setup are much bigger factors to traction when running radials.....they're not near as forgiving as bias-ply's.
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'85 Silverado swb: 383 stroker, 10.5:1, vortec heads, 232/238 roller cam, RPM air gap, performer 750 carb, stainless longtubes, 3" duals/super 44's, T56/4.11 383ci build / exterior refresh thread
'98 Camaro z28: 370ci twin turbo 370ci build
'01 Tahoe LT 4x4: 5.3, longtubes/ory, magnaflow duals, custom tune....wife's DD
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