If it was me I’d check the ring gaps, notch the bore add magnum heads, China air gap, 210-215 110-112 0.500” cam, 7-10 psi boost. If willing to go with rhoads lifters add 10 degrees to cam.
If it was me I’d check the ring gaps, notch the bore add magnum heads, China air gap, 210-215 110-112 0.500” cam, 7-10 psi boost. If willing to go with rhoads lifters add 10 degrees to cam.