I agree, start at 35 degrees, tune the fuel system, then see if it will run the same with 34 or 33 before going beyond 35. I run 34 with 15/1 compression ,alky, 528, 440-1 heads.

Last edited by gregsdart; 07/10/16 01:15 AM.

8..603 156 mph best, 2905 lbs 549, indy 572-13, alky