My 408 cost me about 8 gs. Made 504 hp at 5700 with an airgap intake, EQ heads with 202/160 valves, a hyd roller of 235/249/107 @ .050 dur .560 lift, 850 quickfuel carb 10/1 compression. It only wanted 30 degrees total timing.

Last edited by gregsdart; 03/27/21 06:37 PM.
8..603 156 mph best, 2905 lbs 549, indy 572-13, alky