I followed this mantra with a hydraulic roller on my build. 383, 10:1 custom pistons, mild port on the heads, Ferrea valves, 1.6 rockers, performer RPM intake, Holley Sniper injection, CPPA (tti now) 1 3/4 headers. I had a custom cam ground by http://jonescams.com/ 264/272 seat, 217/225 @ .050...