08-15-2013, 12:52 PM
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CC Member
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Join Date: Mar 2004
Location: Corning,
ny
Cobra Make, Engine: A&C,351W
Posts: 186
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Not Ranked
Wanted to thank you folks for lending your thoughts. Things are looking up.
Almost tore the top end off but gave one last go at the obvious. Turns out I had a few small problems that lead to a dead cylinder. Still not sure the exact circumstances but the end result was clear.
At some point the e-clip that holds the vacuum advance arm in the distributor came off and let the arm lose. This seemed to lead to very weak spark on #4 cylinder, Why? I dont know. Plug would fire when you removed it to test but was not making good fire in the cylinder.
Last but not least it seems there was a slight vacuum problem.
Anyway, she no longer has a rough idle, no popping in the passenger side exhaust, pulls clean to 6 grand and 8 out of 8 cylinders produce hot gases now.
Aaron
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