Todd,
I took Barney's suggestion about double nutting the manifold-to-cat junction
using stainless steel nuts, since he said the brass nuts can't be torqued
very much and come loose with age and heat. Mine haven't loosened a bit
since doing this; I also used high temp anti-seize on the studs in case I
need to remove them.
Monte
79B, Carmine
67B, BRG
74 1/2 Rust, parts car
----- Original Message -----
From: "Aaron Whiteman" <aaronw@wsu.edu>
To: "MG Mailing List" <mgs@autox.team.net>
Sent: Monday, June 23, 2003 12:58 PM
Subject: Re: air filter
> On Monday, June 23, 2003, at 07:39 AM, Taylor, Todd S wrote:
>
> > I have a 1980 MGB with the zenith carb.... I put a new air filter in
> > and I can drive the car about 300 miles and then the air filter gets
> > all
> > black
> > and clogged up. It gets to the point where the car won't even
> > start....
> > I take out the filter and the car runs great.
>
> I had this problem when I still had the Stromberg on my '75.
>
> You likely have an exhaust leak at the manifold. Mine was the junction
> between the manifold and the pipe, you probably have a Cat in that
> spot. The design of the intake is such that exhaust gases that leak at
> that spot get sucked right back into the air filter.
>
> --
> Aaron
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