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Forum: Pontiac - Street 06-23-2020, 10:44 PM
Replies: 54
Views: 9,807
Posted By surfsama
Just because I happen to have them on-hand: ...

Just because I happen to have them on-hand:

- 750 and 750HP CFM
1.375" venturi x 1.688" butterfly

- 800 CFM
1.375/1.438" venturi x 1.688" butterfly

- 830 CFM
1.562" venturi x 1.688"...
Forum: Pontiac - Street 06-22-2020, 02:20 AM
Replies: 54
Views: 9,807
Posted By surfsama
Do you have the correct power valve for your...

Do you have the correct power valve for your vacuum readings? Is the PV leaking? I once had a crack from a casting defect in a metering block so might want to take a close look.

I don't think...
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