Hypothetical 318 Commando Build

Honestly after doing a Magnum 318 swap i rather go with that canvas right off the bat its already in the 9 to 1 compression area.

64cc heads mill them down, use a thin head gasket get you in the 10:1 ratio easy. Better heads better compression 1.6 Rocker ratio roller camshaft bigger valves just swap springs and the camshaft to that howards grind that has 274/278 duration .507/533 lift and let it rip!