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Old 07-10-2019, 12:07 AM   #5
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Join Date: Mar 2016
Location: LaGrande Oregon
Posts: 494
Default Re: 1939 Ford flathead rattle

Originally Posted by supereal View Post
A rattle or vibration that is due to resonation is tough to locate. Since it is one that seems to be like sheet metal, it probably is not inside the engine. If you haven't already, have someone rev the engine as you check under the hood. Just be careful!
On my avatar I had a sheet metal rattle just above idle rpms . Turned out to be the bottom of the inner fender just below the louvers had about 1/32" clearance from the frame. It took me about a year to find it-about drove me crazy.
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