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Re: low compression

To: "Elton Clark" <>, <>
Subject: Re: low compression
Date: Thu, 26 May 2005 06:38:56 -0600
None, but the pipe threads on >>plastic<< fittings are close enough (and soft 
enough) that they will "form" to the spark plug hole threads, making a good 
enough seal for a cheap (like 89 cents) leak-down tester.

We verrrrrrrry tight!

Chris K.

On Wed, 25 May 2005 22:06:24 -0500, Elton Clark wrote
> Okay, I'll bite:  What kind of engine uses pipe threads for sparkplugs???
> (Besides the Model T Ford, of course.)

> Eric wrote:
> > It might be worth rigging up a leak down tester to find out where/why the
> > compression is low. I've done this (cheaply) by screwing in a plastic hose
> > fitting (pipe threads on one side, hose barb on the other) into the spark
> > plug hole.

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