The Mystery of the Great 4/7 Swap
Actors
Steve Brulé , Steve Dulcich , David Freiburger
About
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Story
On this episode of Engine Masters, presented by AMSOIL, we put more power claims to the test. This time it's the belief that a simple swap of the standard 1-8-4-3-6-5-7-2 firing order can create more power in your 90-degree V-8. Whether it's changes in manifold pulsing patterns or crankshaft harmonics that make more power, the theories abound. So we're here to do a 4/7 swap on a big 572 to see if there's more power to be had or if the theories are just that: theories.
