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Old 05-01-2019, 01:15 AM   #62
Tom Endy
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Join Date: May 2010
Location: Southern California
Posts: 3,131
Default Re: Sudden rough running, out of ideas

Inspect the modern lower plate you installed. You are likely to find a burn arc where the contactor was rubbing the flat plate. The arc is caused every time you move the spark handle though its paces. The burn will eventually become severe enough to cause the car to run poorly.


Tom Endy
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