Mother Mopar's Red-Headed Stepchild 360

The heads were in fact so crappy that everybody in pro stock through the 70s wanted their port design. Fred Brewer put the AMC design to good use in the big block Mopar heads he came out with. Anybody wanting to compete with a big block Mopar in pro stock on the 70s had his heads. So no, AMC head design and port configuration was some of the best there was. Read up on it.