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Old 08-11-2020, 12:07 AM   #4
Brentwood Bob
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Join Date: May 2010
Location: brentwood, ca
Posts: 4,247
Default Re: Knock/rattle/tap at freewheel speed

Might be the distributor shaft a tad long. Puts pressure on the cam. My fix was to get more vertical clearance, with the two piece distributor shafts.
You had the head off which makes this a possibility.
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