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Old 10-26-2012, 11:24 PM   #23
MalibuSSwagon
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Join Date: Sep 2009
Location: Weare,NH
Posts: 1,589
Re: Cracked Exhaust Manifold Questions

Tip in issue? Like others said, could be an issue with your carb.

My personal experience with this issue you describe is on my 1986 305. When I did a teardown to install a new cam and the TPI, I found an extremely worn original timing chain. That would explain why my timing would sometimes jump around when I was setting the ignition timing.
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