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Date:         Fri, 10 Jul 1998 21:12:56 -0500
Reply-To:     Darrell Boehler <midwesty@TAOS.MIDWEST.NET>
Sender:       Vanagon Mailing List <Vanagon@vanagon.com>
From:         Darrell Boehler <midwesty@TAOS.MIDWEST.NET>
Subject:      Re: why no ridge in waterboxer cylinders?
Comments: To: William Dummitt <williamd@COMPUSERVE.COM>, Vanagon@VANAGON.COM
Content-Type: text/plain; charset="iso-8859-1"

-------------------- Hi Bill, I experienced the same thing on my one and only wasser boxer rebuild last fall. No ring ridge , still had factory hone marks on the cylinders, no scuff marks on the pistons, cylinders and pistons all checked like new, 227k miles on original engine. Imho the wasser boxer is well engineered and built except for the nasty head leak problem on some of them. Actually the rings were still within specifications although I did replace them and sent the new pistons and cylinders back. I have never seen so little ware on the cam and lifters. And never an engine so very clean inside. I thought it was probably because the 2 previous owners used synthetic oil. They converted me to synthetic . I have seen several other posts proclaiming the same amazement with so little wear on the bottom end of the wasser boxer. I agree with your statement that other engines always have signs of wear. I have seen ring gaps of 0.225 inch . My experience is with V8 engines and two 2L air cooled engines. I think we tend to over look how very solid the wasser boxer engine can be when it has had TLC all its life.

Darrell

-----Original Message----- From: William Dummitt <williamd@COMPUSERVE.COM> To: Vanagon@VANAGON.COM <Vanagon@VANAGON.COM> Date: Friday, July 10, 1998 5:23 PM Subject: why no ridge in waterboxer cylinders?

Any time I've taken apart an automobile engine, there is the ever-present ridge at the top of the cylinder at the limit of piston travel. The exception is the one and only waterboxer engine I've rebuilt- it had no ridge at all despite 120k mi. After cleaning and honing there wasn't even a trace of a ridge, even though I had a ridge reaming tool ready to go. Is this the norm?

Bill


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