welding MC 5 cylinder exhaust manifold?

[Kurt Deschler]

I had the studs drilled out and re-tapped at the same time. I think it was 
around $200 for everything. The head should really be off to replace the 
studs.
 	-Kurt

> Hi Kurt
>
> I am in MA, but not very near Fitchburg. Do you remember about what it 
> cost
> to have your em welded and surface ground? I found a  machine shop that 
> does
> a lot of engine restoration workd (Deusneburg straight 8s, etc)  in
> Southboro who canl MIG and surface it,  but I suspect they are spendy.
>
> Thanks!
>
> Dave
>
> On 4/27/07, Kurt Deschler <desch at alum.wpi.edu> wrote:
>> 
>>
>>  Both of my 10V EMs are TIG welded and holding up very well. You need
>>  to
>>  find a competant welder who will prep and pre-heat the EM correctly
>>  and
>>  have it surfaced afterwards. I know a good welder/machine shop in the
>>  Fitchburg MA area if you are near that area. Common 3/8" studs from
>>  the HW
>>  store work well to replace the crap 8mm stock ones that break off when
>>  you
>>  remove the EM.
>>
>>         -Kurt
>> 
>> 
>> >  Message: 2
>> >  Date: Fri, 27 Apr 2007 10:58:27 -0400
>> >  From: "David Michael" <adavidmichael at gmail.com>
>> >  Subject: welding MC 5 cylinder exhaust manifold?
>> >  To: quattro at audifans.com
>> >  Message-ID:
>> >        <a8fd8d050704270758s979a896oc7c17c516cf7d750 at mail.gmail.com>
>> >  Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>> > 
>> >  Folks,
>> > 
>> >  The saga of my 200QA that ran like crap and smoked continues:
>> >  I finally decided that the smoke was due to blown turbo seals, and 
>> >  that
>> >  turned out to be correct; the turbine intake was clean but the 
>> >  turbine
>> >  outlet is soaked. In any case, the mechanic has the manifold off, 
>> >  and
>>  it's
>> >  cracked in the usual places.
>> > 
>> >  I'd like to get it welded, but I know that has been met with limited
>> >  success. I have one shop that recommends TIG welding with a nickel 
>> >  rod
>>  and
>> >  another that suggests brazing - any idea which has a better chance 
>> >  of
>> >  success?
>> > 
>> >  TIA!
>> > 
>> >  Dave
>> >  90 200QA 216K
>> 
>