I would say the bearing failed first and then the excess forces broke the bolts. Dennis -----Original Message----- From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of Pat Sent: Sunday, September 09, 2012 10:20 AM To: vanagon@GERRY.VANAGON.COM Subject: Re: Low compression, more test results There's a lot of info out there on this. According to this link, the valves will always rotate a little. Also has some opinions on AMC heads and WBX rod bolts. http://www.shoptalkforums.com/viewtopic.php?f=37&t=134867
-----Original Message----- From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of Tom Stone Sent: Sunday, September 09, 2012 3:31 AM To: vanagon@GERRY.VANAGON.COM Subject: Re: Low compression, more test results "Back in the old beetle days "swivel feet" adjusting screws were also used to reduce valve rotation. Dennis" I thought valve rotation was essential to keeping valves from burning. I had a bad experience with burned valves in an air-cooled '76 bus back in the day and the root cause I was given was that the valve wasn't spinning on its seat. Not true? Tom
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