Hybrid View
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04-28-2006 10:25 PM #1
shoosing a new cam for the stroker
engine spec 383cui 9.3-9.8 compresion 1969 64cc heads with 2.02 intake and 1.60 exhaust heads fully ported and polished , i dont mind ruff idle , so if i could get some opinions that would be great , was thinking about going with the comp cam that changes 4 and 7 on the firing order
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04-28-2006 10:45 PM #2
Call your favorite cam grinder and talk to one of the tech guys. They'll give you the best recommendation free of charge.PLANET EARTH, INSANE ASYLUM FOR THE UNIVERSE.
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04-30-2006 06:17 PM #3
Cam?
You are in almost the same situation as I am. 389sbc, 64cc vortecs, 9.1:1, currently running the GM "lukewarm" cam, 218-228 on a 112. Idles nice but lays down @ 46-4800rpms. As I'm going through the traps @ 5000, I'm a sitting duck for the "pros" at my local brackets. I'm seriously considering having a custom hyd. roller made with the following specs: 230-236, .510-.520, 108LSA on a 108 centerline. I figure the extra 12 degrees should carry the curve just enough, with good power production, and a rough but acceptable idle. BTW, although I'm no genius, I do know that the companies will steer you toward a cam with too wide a LSA "for street manners". This will cost you considerable torque below 3500. You posted that you didn't mind a rough idle so why give up power? Just don't go nuts with the duration."It may be ugly, but it's SLOW!"
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