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Tribal Scout

4 Posts

Posted - 25 Oct 2011 :  10:53:18 AM  Show Profile  Reply with Quote
I would like to know what brand cam for my 421 tri power,I hear the crane cam has problems

Bill Boyle
Horse Feathers (Charter Member)

5092 Posts

Posted - 25 Oct 2011 :  3:07:19 PM  Show Profile  Visit Bill Boyle's Homepage  Reply with Quote
Is your 421 stock, modified, what's been done to it. Why do you want a different cam? What are you trying to accomplish?

"Dedicated to keeping the classic Pontiac engine alive."

400 bored +.030, forged TRW pistons, ported 62 heads, Hedman headers, 2.5 SS dual exhaust X Pypes, Comp 276AH10 cam, Scorpion 1.65 RR, 850 Q-jet, stock intake & tuned HEI; original owner.
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Tribal Scout

4 Posts

Posted - 27 Oct 2011 :  09:02:53 AM  Show Profile  Reply with Quote
It's a stock 421,I'm adding tri power and want put in o68 to wake up motor without going to radical Thanks
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Blued and Painted

3505 Posts

Posted - 28 Apr 2012 :  12:10:02 PM  Show Profile  Reply with Quote
What is the compression raito and exhaust set up? will you use stock valve springs? What altitude do you live at? Do you want smooth idle, noticeable lope, or on the ragged edge? there may be 150 or more cams to fit your car.

Bull Nose Formula/ 461/ Q-Jet/
TH400/ 3.08 8.5 / R44TS.

Edited by - Blued and Painted on 28 Apr 2012 12:21:30 PM
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