Buy a left handed drill bit for the easyout, match the sizes, They seem to help
a lot. I just removed a brand new head bolt that snaped at 30 lbs of torque,
Can't figure that one. Looks like air pocket in bolt. But a left hand bit will
loosed the stud, Hopefully and the easyout will remove it.
Size is important, Make sure bit is correct size for easy out. Carl E.
"T. Keith Vezina" wrote:
> Amen! Easy-outs are much harder than most drill bits. Just the thought of
> a broken stud makes me break out in hives because I invariably break the
> Easy-out also.
>
> -----Original Message-----
> From: Elliott DeGraff <degraff@erols.com>
> To: Louis Mehr (EML) <Louis.Mehr@eml.ericsson.se>
> Cc: 'mgs@autox.team.net' <mgs@autox.team.net>
> Date: Monday, March 27, 2000 8:31 AM
> Subject: Re: Help ! cylinder head to exhaust manifold stud snapped.
>
> >Hi Louis,
> >
> >That advice is tedious but sound. If you can lay your hands on a set of
> >left hand drill bits and a reverse drill motor, you'll have a greater
> >likelyhood of success before you actually get your hole large enough to
> >damage the threads in the head. Some (not me) have success with an
> >easyout, but if you break one of those off in the head, you have a lot
> >more work ahead of you. Good luck,
> >
> >Elliott DeGraff
> >2 71Bs
> >
> >
> >"Louis Mehr (EML)" wrote:
> >>
> >> Good Morning MG world,
> >>
> >> Yesterday I foolishly overtightened one of the studs on my cylinder
> head - one holding the exhaust manifold to the cylinder head.
> >>
> >> Needless to say the remains of the stud are flush with the surface of the
> cylinder head.
> >>
> >> I'd like to remove the stud with the minimum of hassle - I would be much
> happier if I do not have to remove the cylinder head.
> >>
> >> I've been told to drill a pilot hole and then drill bigger holes through
> the stud to clear the thread of the remnants of the stud.
> >>
> >> Sounds awkward to me.
> >>
> >> Anyone got any further advice on this ?
> >>
> >> Thanks
> >>
> >> Louis Mehr
> >> Manchester
> >> UK
> >> 1971 B US LHD roadster
> >> "scruffy but almost driveable"
> >>
> >>
> >
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