Quote:

I started with 17lbs and then went all the way down to 12lbs, the tires are Hoosier QTP's



I run the same tire, my car likes 12.5-13psi, no tubes.

67 Barracuda street car, 408, e85, 1.38 60', 6.44 @105.9 in the 1/8 mile, 10.19 @130.5 in the 1/4...so far....