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Old 06-18-2017, 07:41 PM   #16
TerryH
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Join Date: May 2010
Location: Fountain Valley, Calif.
Posts: 937
Default Re: Knock, knock, knock sound

I had a knocking sound in my engine, and it turned out to be a bad fiber timing gear. Prior to that, several Model A friend's were not able to diagnose it accurately. Had a new gear installed and all is better now!
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