Originally Posted by 440Jim

What spring pressures?
What max RPM ? (shift or finish line).


800 over the nose on the intake side Jim. Less on the exhaust. I was shifting at 6900 and was 72 7300 in the traps in good air when I had 4:88s in it.

Today with 4:56s and bad air it was 6900 6900.

67 Barracuda street/bracket car 11.27-119
68 Dart 502 BB 8.70s-152
414 cid SB Dragster 7.65-174