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Old 01-06-2013, 02:29 PM   #9
mr48chev
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Join Date: Jul 2007
Location: Toppenish, WA
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Re: Need Help on Bolt Size

Quote:
Originally Posted by danheit View Post
So just to clarify, as it looks like we may have gotten off track as far as the v8's go, (sorry, I may be misunderstanding) on my 235 straight 6, The bolt that goes into the water pump pulley is a 5/16 fine thread? Just want to be sure as I have nothing to go off of right now - nothing there. I would really like to get the truck going with the cooling system working so that I can run it for longer than 3 minutes without cooking anything! Thanks for the help guys!

Most studs have a fine and a course thread side. you should be able screw the correct threaded stud or bolt in with your fingers.

You could use a tap to clean the threads if they have rusted for some reason but usually you don't need to do that.
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