Re: [MV] M37 Manifold leak

From: Buzz (buzz@softcom.net)
Date: Fri Aug 27 2004 - 09:15:09 PDT


Guys,
I made repairs to an old air compressor engine using "Pyro-Putty 1000", then sanding it down with a
belt sander. I then used the hi-temp copper gasket sealer when I mounted the manifold to the
engine. I did sandblast the manifold before applying the putty.
I let everything set in place for a few days then when I fired it up no more leaks. The repair
worked fine for several years then I sold the compressor so I don't know if it's still OK.
Pyro-putty info is at:
http://www.aremco.com/a3.html

Buzz

On Fri, 27 Aug 2004 07:22:15 -0400, you wrote:
>Mike,
>You'll probably find that the mating surfaces of the manifolds
>have been ate away, ruining the manifolds. Probably fixable,
>but hardly worth it. In any case, if you are planning on using mismatched manifolds, they will have
to be planed. Install the gasket, assemble and align the manifolds the best you can and take to a
shop. Leave the bolts just snug until after you bolt the manifolds to the block. If you decide to
use a gasket sealer, high temp exhaust manifold silicone should work. I wouldn't bring the motor up
to temp for a couple of reasons. The exhaust manifold would be really hot and make it difficult to
work on and there's the possibility of warping as it cools and the bolts are loose. For me, the
lesson of mismatched manifolds was long...
>Joe Young
>
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