Post If You Have A Custom Cam

[revhead347]

I don't know specific numbers. My last engine had a lift of .595" on the exhaust and I drove it for 10 years and 85,000 miles and the springs never broke. I'm sure they were pretty worn out towards the end, but they never broke.

Kurt

 

[89stang1]

333 ci Stroker street car Comp custom .555/.570 224/236 112 icl 114 sep AFR 185 58cc heads 10.7:1 comp 23k miles on motor
build pic