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Forum: Pontiac - Street 03-29-2023, 09:56 AM
Replies: 23
Views: 2,788
Posted By 74Grandville
This is inline with a chassis dyno testing I did...

This is inline with a chassis dyno testing I did with an old 455 I had. it made peak power at around the same rpms. that is one of the reasons I throwing around the idea of retarreding the cam.
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Forum: Pontiac - Street 03-29-2023, 06:55 AM
Replies: 23
Views: 2,788
Posted By 74Grandville
I gathered the flow numbers from Jim Hands book....

I gathered the flow numbers from Jim Hands book. I will be running headers.


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Forum: Pontiac - Street 03-28-2023, 10:34 PM
Replies: 23
Views: 2,788
Posted By 74Grandville
455 with SUM-2802 vs Mel-Spc-8 = same power

I've been playing with Desktop Dyno 5 and moving cam centerlines around on a potential future 455 build and comparing the 2802 type cam with a 041.

I did something similar building a w72...
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