Originally Posted by Maxwell Power
that depends on your head builder. What springs are you running? I would think that R-199-B cams with any dual spring or GSC beehive would be good to at LEAST 8k. Your boost level will affect your redline as well. The funny thing about boost:
the more you run the higher you can rev the bottom end.
the more you run the less you can rev the top end.
All Supertech valve train w/ dual springs. Junior had boost at 21 psi/ 93 & 26 psi/ E85.
Good to 8k?
I went with D25s for the OB response and torque vs. higher revs of the B25 heads. My heads do breath very well!