tips for welding cracked exhaust manifolds?

[Mihnea Cotet]

GREAT! Now I know how I'll be able to use a bigger turbo on a stock EM,
however, Garrett turbos aren't so readily available here, even damaged...

Thanks again for the tip!

Mihnea

At 14:40 19/01/2003 -0500, Pat Dooley wrote:
>I was even cheaper than that.  I saved the $30 a Garrett flange cost and
>chop-sawed the flang off of a damaged Garrett turbine housing.  Got a rabbit
>gti EM from u-pull-it yard for $9 and chopped the outlet off of it.  Thats
>what my turbo EM cost me.
>
> > -----Original Message-----
> > From: Mihnea Cotet [mailto:mik at info.fundp.ac.be]
> > Sent: Sunday, January 19, 2003 2:36 PM
> > To: Pat Dooley; quattro at audifans.com
> > Subject: RE: tips for welding cracked exhaust manifolds?
> >
> >
> > So you mean us "cheap" turbo guys could weld other flanges to standard
> > exhaust manifolds by using this method? This is great news, I think I'm
> > going to put a K27 on my 20vt :-))))
> >
> > Thanks,
> >
> > Mihnea
> >
> >
> > At 14:27 19/01/2003 -0500, Pat Dooley wrote:
> > >You need nickel rod or wire to weld cast iron.
> > >Heat the weld area with an oxy/acet torch until it almost glows.
> > >Weld about 1/4 to 1/2 inch then tap the area with a hammer about
> > 10 times.
> > >Continue until crack is sealed.
> > >
> > >I welded a Garrett flange to a rabbit exhaust manifold years ago
> > using this
> > >technique with no failures to date.
> > >
> > > > -----Original Message-----
> > > > From: quattro-admin at audifans.com [mailto:quattro-admin at audifans.com]On
> > > > Behalf Of scott thomas
> > > > Sent: Sunday, January 19, 2003 2:12 PM
> > > > To: quattro at audifans.com
> > > > Subject: tips for welding cracked exhaust manifolds?
> > > >
> > > >
> > > > I just bought an 88 amp Lincoln wire feed welder and was wondering if
> > > > it's heavy duty enough to weld an exhuast manifold crack for a 10vt?
> > > >
> > > > Any tips on how to do this? I heard someone heated his manifold in
> > > > his BBQ grill ahead of time.
> > > >
> > > > I've got a bunch of manifolds from three different cars. All have the
> > > > same crack on cylinder #3, as well as some cracking at the collector.
> > > > Luckily, I had an uncracked one to put on my car during a recent
> > > > upper end rebuild.
> > > >
> > > > The Official Dream Theater Site - http://www.dreamtheater.net/
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> >