On these engine you will find a head temp gauge to be a fantastic fuel saving device especially for the Vanagon. You will discover the max speed for temp control real fast. Under the spark plug you are really getting the spark plug temperature. Where the location of the thermocouple ends up can have an effect on the readings. Get that junction on top so it gets some airflow and you can get a lower reading. 375 to 425 seems to be common range for 65 and under driving. Having a working EGR system can lower the temp significantly. For extended high speed operation premium fuel will help especially if the EGR system is missing. Dennis -----Original Message----- From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of Glen Moon Sent: Thursday, February 6, 2014 4:06 PM To: vanagon@GERRY.VANAGON.COM Subject: air cooled 2.0 1981 Cylinder head temp? Rebuilt 2.0 air cooled. Having mechanic put a Dokata cylinder head sensor under #3 plug, to gauge on dash. What should the temperture be?
Glen |
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