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Old 03-29-2010, 05:12 PM   #12
nrb's70gmc
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Join Date: Sep 2008
Location: magalia,ca
Posts: 366
Re: HEI Ignition Problem

i have been reading about how the (pickup coil) that connects to the module can go bad- and the function of the pickup coil can be affected by a cold/warm engine.

(when my engine warms up that seems to be when it is acting up)
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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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