I am using the Stage V replacement heads with CNC by Modern Cylinder Head. also using the Stage V rockers . My block is a World Aluminum . I'm using CP pistons for 10.5 -1 It's pretty similar combo to what you have described, just less compression.
Mark
Last edited by Hemi Allstate; 04/04/2105:28 PM.
1996 Ram 1500 Sport 1968 road runner 1952 Sears Allstate licensed, pump gas, Hemi 5.98 @ 115.73 1.33 60 ft. The best is yet to come. Painless Performance / Street RODDER magazine Top 100 for 2019