Engine Masters: Season 5, Episode 9 - ProjectFreeTV

5 - 9: The Mystery of the Great 4/7 Swap

On this episode of Engine Masters, presented by AMSOIL, the guys test the belief that a simple swap of the standard firing order can create more power in a 90-degree v-8. They do a 4/7 swap on a big 572 to see if there's more power to be had, or if the the theories are just that: theories.