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Re: Idle vacuum - why only 10 inches?
Quote:
Originally Posted by davepl
Man, I'd hate to think the cam could be off. The motor is VERY responsive down low and very wheezy above 3000, but like I said it ran well on the dyno.
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I'm no professional engine builder but those symptoms sounds like an advanced cam by your statement above. Strong power down low and running out of steam above 3000 isn't normal. Is it possible the builder installed the cam advanced a few degrees to help the low end power for you?
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Boog
69 Chevy stepside, 358/T350, 4.11 posi, 4.5/4 drop, rallys, poboy driver
primer is finer
91 Chevy sportside, Tahoe, Yukon & GMC Crewcab All GM..'nuff said.
I stand for the flag and kneel at the cross
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