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Date:         Sun, 5 May 2002 16:05:15 -0700
Reply-To:     Mark Dorm <mark_hb@HOTMAIL.COM>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Mark Dorm <mark_hb@HOTMAIL.COM>
Subject:      Re: Main Engine Bearings
Comments: To: bostneng@FCL-US.NET
Content-Type: text/plain; format=flowed

So Bob, even if I had your Big Valve Engine Option III, you would still keep 70 mph as your maximum sustained speed. And if a rod is distorted can you replace individual rods? Sorry for my mechanical ignorance, I'm learning though. Finally bought a Bently. I'm interested in your big valve option, but I'm gonna have to make some money. Whats the turn around and installation price if I were in your neighborhood?

>From: Robert Donalds <bostneng@FCL-US.NET>

>Mark > >the 2.1 engines with over 130k miles have issues with the big end of the >rod distorting and throwing rods one of the symtoms is low oil pressure at >warm idle. http://www.bostonengine.com/articles/low-oil-pressure.htm doing >80 with an older 2.1 is not recomended I would say that 70 is the max >sustained speed for a van engine. That is 4000 RPM its about the same std >and auto trany.The WBX engines I have taken apart over the years have some >comon problems exhaust valve seats that are pounded is one I think to much >sustained RPM is one reason for this. > >Bob > >Mark wrote > I was driving down Interstate 5 heading due south, going about 80 mph, >saw >a gas station, decided to exit when at that moment the buzzer went on. >Water >temperature wasn't higher than the top of the led itself. I turned the >engine off, and coasted down the road, into the denny's parking lot next to >the gas station. Let it cool, let my mind run wild. Added more than half of >a bottle of gunk. Wasn't low on any fluids. After a few hours, I started, >it >ran, and I drove 60/65 mph all the way to Riverside. No problems since >then. >Thinking is, oil got hot which made it thin out which caused the oil >pressure to drop. It wasn't that hot that day. Is this just a day in the >life, or is it an omen?

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