My build is a 521 ford with Performer RPM heads (60669),Harland sharp roller rockers, Performer RPM intake, 9 to 1 compression, Marine 850 Holley, exhaust is logs with snails exiting under water,Berkely JE pump have A & AA impellers. want max RPM to be around 5000 to 5500. The boat is 20' long.
Comp cam- Hyd. roller 111 intake center line, Dur @ 50, 244 intake, 250 exhaust, 113 lobe sep.,605 intake lift, 622 exhaust lift. Custom gride
Crane- Hyd. roller
226 intake, 230 exhaust, 112 lobe sep.,522 intake lift, 530 exhaust lift.
These are the cams that Comp and Crane suggested.
What do you guys think. Thanks