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Date:         Tue, 18 Sep 2001 08:15:57 -0700
Reply-To:     Craig Spaeth <spaeth@GORGE.NET>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Craig Spaeth <spaeth@GORGE.NET>
Subject:      Re: Compression readings
Content-Type: text/plain; charset=us-ascii; x-mac-type="54455854";
              x-mac-creator="4D4F5353"

The real value in a compression test is that the values are close for each cylinder. A leakdown test is of course much more accurate but a compression test is so simple and fast that it can give you a lot of info in a short time. I usually don't worry about low readings as long as they all match. Neither one of your examples would worry me at all. The 170 across the board or the 205's with one 200. I would use the compression check as a first test for issues and if you need more accurate info move on to the leakdown test. hope this helps, Craig the Gorge VW club


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