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Forum: Pontiac - Street 01-20-2022, 07:04 AM
Replies: 18
Views: 3,066
Posted By steve25
There are two main things that will keep you...

There are two main things that will keep you quite far away from your 500 to 550 hp goal.

1) that Cam is too small.

2) both the 5C and the 6X heads only flow enough to allow a 400 , 428 or 455...
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