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alchemy · 03-31-2024, 10:29 AM

Many references to guys retapping the stud holes to “clean” them when rebuilding engines. But the holes are built with a tighter tolerance than the taps used, and are as such opened up too much. A source of this weeping.

03-31-2024, 10:29 AM	#11
alchemy Senior Member Join Date: May 2010 Location: middle of Iowa Posts: 648	Re: Leaking Head Studs Many references to guys retapping the stud holes to “clean” them when rebuilding engines. But the holes are built with a tighter tolerance than the taps used, and are as such opened up too much. A source of this weeping.