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Old 03-29-2010, 04:49 PM   #9
nrb's70gmc
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Join Date: Sep 2008
Location: magalia,ca
Posts: 366
Re: HEI Ignition Problem

Quote:
Originally Posted by Slick67 View Post
The hot wire that goes to the HEI needs to be at least a 10 gauge otherwise it may be starving for power and inturn run rough. If you are running the factory wire you need to upgrade. Make sure there are no resistors between also.
Are you talking about the 3 wire plug that plugs into the hei?
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1970 2wd 3/4 ton- 2004 crate 350 thorley tri-y headers-edelbrock performer eps manifold 600cfm performer carb, crane cams energizer cam,lifters, dual 2.5 magnaflows, mallory HEI, powermaster 140 amp altenator, griffen aluminum radiator.(8 MPG)
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