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Forum: Pontiac - Street 03-30-2023, 06:07 AM
Replies: 23
Views: 2,637
Posted By 25stevem
Cliff thanks for this info ! It makes sense...

Cliff thanks for this info !
It makes sense that in terms of the 455 that advancing it to 107 would make it suck, because the 455s Bore to stroke ratio is not even square, no less over square until...
Forum: Pontiac - Street 03-29-2023, 09:38 AM
Replies: 23
Views: 2,637
Posted By 25stevem
Since your running headers you need to add 3 to ...

Since your running headers you need to add 3 to 4% more flow to your bare heads exh numbers and enter into your program.
Forum: Pontiac - Street 03-29-2023, 06:30 AM
Replies: 23
Views: 2,637
Posted By 25stevem
What info are you inputting for cylinder head...

What info are you inputting for cylinder head flow numbers, and also will you be running headrers on this motor?
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