Quote:
Originally Posted by Z06PSI  I agree his cam was hurting him a lot and his psi was down. What kind of boost were you seeing with a 3" pulley and stock pulley? I saw 15 psi. Now when we changed over to the 8.5 aftermarket with 3" we saw the boost spike over 20 psi but then my clutch could not handle it. Still have not gotten any heads yet. |
I saw 15psi then drops to 13.5 with overdrive and 3 inch pulley.