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4tford · 04-13-2012, 10:38 AM

I recently had a fellow bring me a motor he bought as rebuilt. It had two leaking studs. He pulled the heads, tapped all the holes and reinstalled the heads. 26 were now leaking. It took a lot of work and time to clean all the holes and use permatex 2, tighten and straighten all the studs to stop the leaks. We put the permatex in the stud holes as well as on the stud threads and let them sit overnight before installing. He is now a happy camper.

04-13-2012, 10:38 AM	#13
4tford Senior Member Join Date: May 2010 Location: Regina Canada Posts: 1,335	Re: Cleaning threaded block holes I recently had a fellow bring me a motor he bought as rebuilt. It had two leaking studs. He pulled the heads, tapped all the holes and reinstalled the heads. 26 were now leaking. It took a lot of work and time to clean all the holes and use permatex 2, tighten and straighten all the studs to stop the leaks. We put the permatex in the stud holes as well as on the stud threads and let them sit overnight before installing. He is now a happy camper.