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Pontiac - Street No question too basic here!

 
 
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Old 08-01-2015, 01:27 PM
Steve C. Steve C. is offline
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Join Date: Dec 1999
Location: Liberty Hill, Tx. (Austin)
Posts: 10,921
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Lee's car, Skip's car and my '70 TA go back awhile

20 years ago my car had a 412cid combination with race ported #16 d-port heads, Performer RPM intake and a Holley carb rated 926 cfm. Back then Harold at UltraDyne also suggested a cam with a 108 lobe separation, it had 251 degrees duration. It was heavier then, probably closer to 3800 lbs race weight. With that combo the best ET was 11.45 at 118 mph. It came from the factory with a TH400 trans and 3.73 gears.


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__________________
'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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