.100 push rods with dart pro 1 heads?
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Joined: Oct 2006
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From: Mississippi
Car: 1985 IROC
Engine: lb9
Transmission: 700R4 B&M shiftkit
Axle/Gears: 3.42s
.100 push rods with dart pro 1 heads?
I am gonna swap my vortec heads out for dart pro 1 platinums and also my stamped steel rocker arms for 1.6 ratio roller rockers. My cam is .510/.540 lift with 229/245 duration. I have standard length comp hardened push rods. Will I need .100" longer push rods when I do the swap? Also, swapping stock vortecs out for these and roller rockers how much of a gain in 1/4 mile time and hp will i see?
Last edited by danielmonster; Aug 31, 2009 at 10:29 PM.
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From: 51°N 114°W, 3500'
Car: 87 IROC L98
Engine: 588 Alcohol BBC
Transmission: Powerglide
Axle/Gears: Ford 9"/31 spline spool/4.86
Re: .100 push rods with dart pro 1 heads?
Too many variables determine the proper length. The only way to know what length to use is with an adjustable checking pushrod and some lightweight checking springs.
My standard deck height BBC uses .400" longer pushrods on both the intake and exhaust. There was no way I could have just guessed at the length.
My standard deck height BBC uses .400" longer pushrods on both the intake and exhaust. There was no way I could have just guessed at the length.
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