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Old 06-30-2011, 06:42 PM
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DanEC DanEC is offline
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Location: Little Rock area, AR
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Are you running all mechanical advance or do you have a vacuum advance distributor? It sounds somewhat like an over-advanced condition I had with my BB Corvette motor with a vacuum advance distributor.

A bad plug wire is another possibility. Seems they show up more under light load and idle than any other time.
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