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[oletrucks] Need non-truck V-8 engine help

To: "_Oletrucks" <oletrucks@autox.team.net>,
Subject: [oletrucks] Need non-truck V-8 engine help
From: "Rob Jacobs" <rjj0msj@ix.netcom.com>
Date: Thu, 27 May 1999 12:15:01 -0700
My Buick 350 is experiencing some problems and I could use some advice.
Specifically, my concern with the engine started because of a rattle that
occurs as my tranny is shifting gears, and also noticeable when I am
cruising under a nice steady speed and minimal load on the engine.  I had a
similar sound in a Jeep engine that was called "piston slap" about 100 miles
before the engine failed completely.

? #1:  What exactly is piston slap, and how do you deal with it?

Because of this sound, I decided to check compression.  #1 cylinder shows 80
psi.  All the rest show 123-132 psi.  Obviously, I am losing compression in
that cylinder.  I have heard that you should squirt some heavy oil into the
spark plug hole, and then retest.

? #2:  If the psi goes up, it indicates bad rings, right?

? #3:  Are there any other tests that I can do to try to better define where
the problem rests?

Any additional assistance of suggestions would be appreciated.

Rob


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