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Forum: Pontiac - Race 07-21-2021, 04:45 PM
Replies: 22
Views: 5,109
Posted By KEN CROCIE
let's throw out the manifold issues and run...

let's throw out the manifold issues and run Hilborn's. let's concentrate on the smoothness/harmonics/longevity angle. What 's best firing order for driver side forward/pass side forward, or is there...
Forum: Pontiac - Race 07-19-2021, 07:50 PM
Replies: 22
Views: 5,109
Posted By KEN CROCIE
4/7 swap

I read somewhere that the 4/7 swap was appropriate for the driver side forward block , but the pass side forward block needed a different firing order to yield a benifit. Thoughts and comments ?
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