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Re: [Mgs] manifold vacuum

To: MG List <mgs@autox.team.net>
Subject: Re: [Mgs] manifold vacuum
From: Max Heim <max_heim@sbcglobal.net>
Date: Thu, 23 Jul 2009 14:54:00 -0700
The problem with manifold sealing is usually due to unequal clamping force,
because of the way the washers are trying to hold down both the exhaust and
intake flanges. It doesn't work unless the flanges are precisely the same
thickness. Any mixing-and-matching of parts can cause a sealing problem.
Either precise shimming, or a little machine work, is called for.

Stripped studs or nuts can also be a problem, but you'd probably have
noticed that.


--

Max Heim
'66 MGB GHN3L76149
If you're near Mountain View, CA,
it's the primer red one with chrome wires


on 7/23/09 1:19 PM, Phil Marcell at mg1948@verizon.net wrote:

> Does anyone suggest gasket seaker on the maniforld gasket.  Mine leaks with
> a new rebuild & a Moss supercharger.
> 
> Phil
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