[SEL] Stripped stud

[Larry Anger]

George - I wouldn't trust the JB fix on an exhaust system. If it were mine I 
would go for a Heli-Coil if there is room to do that or the stepped stud as 
a second choice.  The Heli-Coil will get everything back to proper size and 
is the way industry repairs this kind of problem.

Larry Anger
163926 Brownsville Rd.
R.R. 3 Tillsonburg, Ontario
Canada N4G 4G8
----- Original Message ----- 
From: "Best, George" <George_Best at adp.com>
To: "The SEL email discussion list" <sel at lists.stationary-engine.com>
Sent: Monday, April 20, 2009 2:03 PM
Subject: [SEL] Stripped stud


> Sorry, but this isn't an off topic thread ;-)
>
> The exhaust stack flange on my 12hp Ingeco is held in place by two 1/2"
> studs to the engine head.
>
> Unfortunately, the upper stud is missing and the hole is pretty well
> stripped out with only a trace of threads still showing.  Only the back
> of the hole still has enough thread left to hold a bolt in place when
> pulled on by hand.  I'm sure if you put a nut on the stud the little bit
> of thread wouldn't hold any pulling force.
>
> I'm debating on how to fix it.
>
> I could coat a 1/2" stud with JB Weld and put in place and let it cure,
> hoping it will be strong enough to hold the exhaust stack in place.
> Remember there is still one good stud so the JB Welded one is getting
> some help from the other stud.
>
> Or.....
>
> Rethread the stud hole for a 9/16" stud and then cut down the other end
> of the stud and thread it for 1/2". (make a stepped stud, assuming the
> hardware store doesn't already stock stepped studs)
>
> I'm thinking rethreading for the larger size is probably the better way
> to go, but was wondering if anyone has tried the JD Weld method and had
> it work?
>
> George
>
>
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