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Old 07-26-2021, 07:38 AM
Steve C. Steve C. is online now
Ultimate Warrior
 
Join Date: Dec 1999
Location: Liberty Hill, Tx. (Austin)
Posts: 10,430
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455 based engine built by Ken Crocie

Edelbrock cylinder heads, about 288 cfm at .600" lift / 10.2 compression.
Valvespring pressure 130 on the seat, with 320 pounds open pressure.
1.800" installed height.
Comp Cams 320H hydraulic flat tappet cam.
Rhodes Vari-Duration lifters.
Harland Sharp 1.65 rocker arms.
0.606" net lift at the valve.
Headers.

Two intakes dyno tested. Results here with a 850-cfm Holley carb

Torker II intake with 2-inch carb spacer- 570 hp at 5900 rpm with 573 ft.lbs. at 4300 rpm.

Performer RPM intake- 572 hp at 5900 rpm with 582 ft.lbs. at 4400 rpm.


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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)
5.14 at 140 mph (1/8 mile) , true 10.5 tire, stock type suspension
https://www.youtube.com/watch?v=qDoJnIP3HgE