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09-02-2012, 10:14 AM
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#3 |
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Just here to tinker
 
Join Date: Jun 2008
Location: Holland, MI
Posts: 3,697
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Re: ignition timing 1980 gmc
I'm pretty sure 1980 is one those weird years where they put the timing tab behind the water pump. Hop up on your bumper and look straight down between the water pump and the block. there should be a weird barrel looking thing attached tithe timing cover. After that go over your balancer again, the line is probably just filled with grime, but it should be there.
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