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Old 01-13-2026, 05:37 PM
Steve C. Steve C. is offline
Ultimate Warrior
 
Join Date: Dec 1999
Location: Liberty Hill, Tx. (Austin)
Posts: 10,928
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A FWIW, John's combo in my signature uses 2 1/4- 2 3/8 step header, 34 primary length, 4.5 collector.

526 CID
4.500 / 4.315 / 6.7
HP heads / 13.2 :1
Victor intake w/Cloverleaf spacer & sheer plate
8896 Dominator carb
920hp at 7000 rpm


.

__________________
'70 TA / 505 cid / same engine but revised ( previous best 10.63 at 127.05 )
Old information here:
http://www.hotrod.com/articles/0712p...tiac-trans-am/

Sponsor of the world's fastest Pontiac powered Ford Fairmont (engine)
Best time 5.13 at 140 mph (1/8 mile) , true 10.5 tire, stock type suspension
https://www.youtube.com/watch?v=qDoJnIP3HgE
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