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Old 02-10-2019, 10:03 PM   #36
El Dorado Jim
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Join Date: Dec 2009
Location: El Dorado Ca
Posts: 3,374
Re: Grinding/Screech from Block

Quote:
Originally Posted by Steeveedee View Post
If I am not mistaken, that hole is threaded for 1/4" tapered pipe. A 5/16" fitting may still allow a small leak. Spritz the fitting with carb cleaner, and if the idle changes, get a 1/4" tapered pipe plug. It should seal with no thread treatments, BTW.
yep, it should be a 1/4" tapered pipe plug that goes in there
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