You know how some beetle cases have dual oil pressure relief valves?
Well, under that bolt is the oil pressure relief or actually the oil
pressure control valve. The rear valve is the oil cooler bypass, please
do not burst valve.

Dennis

-----Original Message-----
From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf
Of Stan Wilder
Sent: Tuesday, September 28, 2004 6:31 PM
To: vanagon@GERRY.VANAGON.COM
Subject: Type IV Porsche and VW the same case ?

See this http://www.engineceramics.com/trisquare.jpg
What would this Three-square bolt be for??
It's between the #1 cylinder pushrod tubes on #651 Porsche 912e.
TEll me that a VW type IV engine case has one of these.
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I've also got some other Type IV parts for sale at
http://www.engineceramics.com/vw/vwparts.htm

Stan Wilder
High Performance Ceramic Coatings
www.engineceramics.com