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Re: Piston rings or valve guides, how to tell?

To: mgs@autox.team.net
Subject: Re: Piston rings or valve guides, how to tell?
From: Kendel McCarley <kmmccarley@earthlink.net>
Date: Sun, 25 May 2003 20:44:16 -0700
Sorry, I'm talking about a 1275 engined Midget.

Lew Palmer wrote:

>The first step is to repeat the compression test. 110 PSI seems on the
>low side for an MGB. First measure the compression on each cylinder dry.
>That will give you a base line. Then squirt some engine oil in each
>cylinder - a couple of teaspoons worth is all you need. Then repeat the
>compression test. If the compression goes up significantly, rings are in
>order. If the compression is about the same the culprit is valves. There
>are some subtleties and variations here, but this will at least point
>you in the right direction.
>
>Cheers,
>Lew Palmer
>=============
>What does frighten me is having to get into the bottom end of the 
>engine, mainly because I'm running out of time before I take this car on
>
>a thousand mile drive.
>
>How can I determine whether I have a ring problem or not with these
>engines?
>
> - K

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