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Path: utzoo!watmath!clyde!cbosgd!ihnp4!ihu1g!rls
From: rls@ihu1g.UUCP (r.l. schieve)
Newsgroups: net.auto.tech
Subject: Re: Causes of pinging
Message-ID: <738@ihu1g.UUCP>
Date: Tue, 3-Dec-85 14:52:34 EST
Article-I.D.: ihu1g.738
Posted: Tue Dec  3 14:52:34 1985
Date-Received: Thu, 5-Dec-85 06:08:16 EST
References: <1@vaxine.UUCP>
Organization: AT&T Bell Laboratories
Lines: 21

.....
> 5) carbon deposits on the head and the top of the piston GLOW and ignite the
> new charge too soon.  This is a good reason to clean surfaces during a valve
> job.  If you have a carb, you can battle this with an "internal steam clean"!
> 
> INTERNAL STEAM CLEAN:  get a pint or a quart of water in a pourable container.
> Take the air cleaner cover off and get a good grip on the throttle.  The car
> must be hot.  Rev the car up to 3 grand or so, and pour water down the barrel
> of the carb, fast enough to slow the engine down, but not fast enough to stall
> it out.  Use the throttle freely to keep it going.  If the car stalls and
> floods, open the throttle and wait a few.  Sounds wild, but I have cured
> (temporarily, at least) a few pingers this way.
> 
......

Has anyone else tried this???  I have never heard of doing this before
and would like more than one opinion before drownding any engine I work
on.

				Rick Schieve
				...ihnp4!ihu1g!rls