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From: rls@iham1.UUCP (Rick Schieve)
Newsgroups: net.auto
Subject: Intake manifold gasket leak.
Message-ID: <239@iham1.UUCP>
Date: Fri, 19-Oct-84 13:09:27 EDT
Article-I.D.: iham1.239
Posted: Fri Oct 19 13:09:27 1984
Date-Received: Sun, 21-Oct-84 11:43:50 EDT
Organization: AT&T Bell Labs, Naperville, IL
Lines: 38

The car experiencing problems is a 1980 turbocharged 4 cylinder
Ford Mustang.  I know that this engine/turbo combination had
problems in 1980 and I am well aware of prejudicious against
Fords so please spare me the unconstructive criticism.

I rebuilt the engine last winter due to a drastic loss of
compression in cylinder 3.  The turbo mounts on an aluminum
intake manifold.  The mating gasket between the intake manifold
and the cylinder head is non-metallic and, according to Ford, the
same gasket is used in the non turbocharged 2300.  I sprayed
both sides of the gasket with Permatex High Tack (the red stuff)
and torqued the intake mounting bolts according to spec.

About a month ago the car began to refuse to idle below 1500 RPM.
I backed the idle stop all the way out and checked the carb
throttle plates to make sure they were closing.  Also my gas 
mileage dropped about 2 MPG or so.  At this point a began looking
for vacuum leaks which turned out to be very apparent around the
intake gasket.

When a finially got the intake manifold off my problems was
obvious.  Both ends of the intake gasket had migrated outward.
There were leaks above and below cylinders 1 and 4 where the
stretching effect had finially split the gasket.

I had the manifold checked for flatness and it is not warped.
I hate to simply put things back together and hope for the best,
so any helpful comments would be appreciated.

A few other points.  The turbo makes the engine run very hot even
when the cooling system is at its best, the only way I could stop
it from eating valve seals was to was the teflon type.  Also the
turbo does not boost a great deal, only about 5 pounds, so intake
pressure is probably not forcing the gasket out.

				Thanks

					Rick Schieve