I swapped instrument clusters and with no other changes to my van the temp gauge reads about 1/4 higher.  I don't think you can extract and exact temp from the needle position.
 
Ryan
 
> Date: Sat, 16 Aug 2008 20:20:56 -0400> From: emaglott@BUNCOMBE.MAIN.NC.US> Subject: Re: Vanagon Water Temp Gauge - Temperatures?> To: vanagon@GERRY.VANAGON.COM> > I think there is variability from vehicle to vehicle. You could> probably do some measuring on you van and come up with something.> > Edward> > At 02:08 PM 8/16/2008, Richard Golen wrote:> >Years ago I owned a 1970 BMW 2002 TI (yes TI not tii) and was a> >member of BMWCCA. In their club magazine there was an article that> >listed the water temperatures at various points in the gauge - the> >center of the gauge, the small marks to either side of the center of> >the gauge. The Vanagon water temp gauge has similar marks on either> >side of the center, and got to thinking about what temperatures are> >represented by the center of the gauge as well as the little "dots"> >on either side of center.> >> >Has anyone ever determined what the coolant temperatures are at> >those points of the gauge?> >> >> >Thanks in advance> >> >> >Ric> >_________________________________________________________________> >See what people are saying about Windows Live. Check out featured posts.> >http://www.windowslive.com/connect?ocid=TXT_TAGLM_WL_connect2_082008
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