oldkimmer said Magnum heads will help a bit with comp. They also flow better than a LA head. Of course u will need to do a few changes to run the magnum heads. Kim Click to expand...
66Valiant528 said I made the mistake of putting some 360 heads on a 318. The combustion chamber on the 360 head lowers the compression ratio on a 318. Car was a slug down low. Pulled fine up high but it was a mistake. At least rhat was my experience. Click to expand...