Re: IML: Problem with exhaust manifold studs...
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Re: IML: Problem with exhaust manifold studs...



Thanks Dave,
 
I will try to find them at my local hardware store, I too don't like the idea of using two gaskets.
 
@ Rodger: thanks for pointing me to NAPA for the studs and Aauto if I need a new manifold
 
Robert
----- Original Message -----
Sent: Thursday, May 10, 2007 6:18 PM
Subject: Re: IML: Problem with exhaust manifold studs...

The use of two gaskets, would only insure manifold warping or cracking, and double the possibility for leaks.If you drill, use Cobalt drills.Ya'll have a nice day, Dave.
 
-------------- Original message --------------
From: Benjamin Breyer <bmb2102@xxxxxxxxxxxx>

>
>
> If you reinstall the manifold with four bolts, use two gaskets.
>
> Pulling the head is the safest way to deal with this problem. If the
> job makes you nervous, let a machine shop extract the studs. It
> isn't that difficult, however. Use a *good* drill bit set, starting
> small, and gradually step up the bit size until little more than the
> stud threads remain. Then use an E-Z out, need nose pliers, or
> something else. If you measure the depth of the stud hole, you
> needn't fear drilling too deep. You will probably feel the bit
> bottom out before you begin drilling into the head anyway. I've
> never used them, but a left-hand drill bit set might be a good way
> to go.
>
&g t;
> Quoting Rob van der Es :
>
> > Hi Paul and the rest of the IML gang,
> >
> > I need some expert advise with regard to the exhaust manifold
> > studs of my
> > 1960 Imperial.
> > For 10 days ago I broke the exhaust manifold flange of the left
> > manifold...
> > I noticed a a roadbump too late and was hitting it with too much
> > speed,
> > since the whole exhaust system is pretty rigid the impact was
> > given
> > directly to the cast iron manifold..
> >
> > With the restult that the flange has broken..
> > I found myself a reputable cast iron welder that has done the job
> > many
> > times before so with a little luck I will have my manifold back
> > early next
> > week.
> >
> > But now for the real problem: when taking the manifold off two
> > studs were
> > broken....
> > Despite of several overnight soaking sessions with penetrating
> > oil!
> >
> > The number two stud (counting from the radiator) and the last
> > stud are
> > broken and almost flush with the head.
> > Ofcourse I can try if the 4 remaining studs and bolts will secure
> > the
> > manifold but I simply don't like the idea.
> >
> > On the otherhand, I either don't like the idea of taking the head
> > off.
> > And at least the last stud is very difficult (or not..)
> > accessible with
> > the head in place.
> > So maybe I should aim for the second stud to come out.
> >
> > Both studs are almost flushed with the head surface (slightly
> > below
> > actually).
> > Is there a safe way to get them out?
> > Or sh ould I try to secure the manifold with the 4 remaining nuts
> > and see
> > what happens?
> >
> > If this doesn't work out, how do I remove those broken studs
> > then?
> > And where can I buy new studs for my engine?
> >
> > Ofcourse I can try to drill out the number two studs since I
> > think I can
> > access this one from the left front wheel area (with the left
> > front wheel
> > removed ofcourse).
> >
> > But what if I screw up and the studs doesn't come out, since
> > these studs
> > are in the cooling fluid area it is important that I don't cause
> > any
> > leakage.
> > If I break a drill for e.g. while it is just through the center
> > of the
> > stud (if I am lucky..) and the broken part gets stuck, cooling
> > fluid will
> > escape then!!
> >
> > So should I go for the 4 studs fasting method first?
> >
> > Any words of whisdom??
> >
> > Thanks,
> >
> > Robert
> > 1960 Imperial Crown
> >
> >
> >
> >
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>
>
>
>
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