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Old 06-27-2007, 09:19 PM
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camshaft advice for BBC

Whats up guys i have a 572 CID bbc Big M block with eagle rotating assembly (forged crank and h-beam rods) that i bought from dynoflow performance autoworks they have a store on ebay and a great group of guys i must say, anyways my heads are dart pro 1 aluminum (heads and piston combo is around 10.4:1 compression) heads have 325 cc intake runners 119cc chambers and 2.25 1.88 valves (i bought the heads bare so i culd complete my valve train hopefully with a comp cams k -kit) my intake is a performer rpm that intend to have port matched if need be. i will have a TH400 trans and a rear axle ratio of 3.90 wth 28 or 29 inch tall tires i hope i have provided enough info for a camshaft selection i definatly want to go with a hydraulic roller, rpm range of 2,500-6,500 or around about because this is a street driven engine.

P.S. i am intending to put this is a 87 SS montle carlo but i want a G-Body malibu, i have a post on the "want ads" on this site if you guys know where one may be let me know.

I also have not bought a Carb yet, need some help there too, how much power as far as hp and tq can i look for from this combo? Any suggestions or changes you guys would suggest let me know because now is the time i need to do it.

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Old 06-27-2007, 11:06 PM
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Call and talk to the tech guy at your favorite cam grinder. Most any of us old gearheads could get you close, but the cam techie can dial you right in the first time.
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Old 06-28-2007, 06:34 PM
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thats not a bad idea, anyone else have any comments on any of my questions?
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Old 06-29-2007, 01:00 PM
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Don't get a real high duration cam ...above 300Deg.s. you have valve overlap and it kills your vacuum and you'll have to play some games with the carb. if you do, especially if this is a street machine! Good luck!
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