Quote:
Originally Posted by Sprocket
I do not think that you will need much cam to run low-mid 13's. You will want as much lift as you can run to take advantage of the round port heads. Not exactly apples to apples, but here is what I used to run in my '70 Grand Prix: 455 +0.030", 4X small chamber heads unported but improved valve job and Ferrea valves, Q-jet, Edelbrock RPM intake, Ultradyne 223/231 .463/.485 110LSA hydraulic flat tappet cam, GTO-style RAIII exhaust manifolds, 2.5" full length, mandrel exhaust with x-pipe, TH400, 13" converter, 3.42 rear. That combo ran consistent 13.00 in 106-degree heat with fuel starvation at the top end. My car is an a/c car, full trim, spare in the trunk, with no lightening done. Times were with 28" MT et-streets.
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Sprocket,
What's it run now with all the changes in your signature?
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Chris D
69 GTO Liberty Blue/dark blue
T400, 9" w 3.50s, 3905lbs
461, 850 Holley, T2, KRE 310s, Comp HR 236/242D .572/.594L, RA manifolds, 11.53@114, 1.55/60
The spare: 467, 850 Holley, T2, Edelbrock Dport 310cfm w RA manifolds, Howard HFT 245/251D .561/.594L, 11.59@ 114, 1.57/ 60'
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