My new EQ heads got a clean bill of health from my machine shop. I had them cut down the valve guides for increased cam lift capability. I will run the Hughes spring kit (HUG-1199 coil bind at .600) Engine will be a 360 Magnum , Tunnel ram, 2 Edelbrock 500s, 727 RMVB 391 sure grip in a 1995 2wd...