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Old 11-27-2012, 11:18 AM   #2
85930tudor
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Join Date: Dec 2010
Location: richmond ky
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Default Re: Model A Engine Noise and worn timing gear

Hello and welcome to the Barn. In answer to the cam, yes it can make the knocking noise you have . Check the spring in front of the timing gear it can let the cam walk forward and backward causing a knock.....Dave
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