Hi Pat,
Change the thermostat and the blue temp sender (for the ECU)
http://www3.sympatico.ca/huotx/temp_sender.htm
(Half of the temp problems!!!)

Remember that the new "F" thermostat WILL give you a 15-20% increase in
temperature.
http://www3.sympatico.ca/huotx/front_radiator.htm

No need to fully bleed the van for that, just open the thermostat bleeder
(at the top of the thermostat housing) for a few seconds until you got no
air bubble. (You will maybe have to remove the bleeder completely, the last
2 vanagon i did had a somewhat stuck bleeder)

Compression is VERY good. (if the head/valves are not carbonize??? = high
compression)

Cheers, Ben
http://www3.sympatico.ca/huotx/engine1.htm

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Hi all,

      On my 87 Westy, the idle speed seems to be too high.  This has
started since it has gotten colder here in Portland.  The idle speed is
anywhere from 1200-2000 RPM most of the time.  The temp gauge only goes to
the top of the white section.  Seems too cold to me but the heat output is
fine.  When the weather was warmer, the engine usually ran at about 900
RPM.  Is this normal or do I have a problem?

      I also wanted opinions on the compression.  I checked it & it was
140, 140, 140, 135.  Seems to be the bottom of the scale.  Van runs pretty
good with no apparent oil burning.  Thanks.

 Pat Callaghan
 87 Westy GL
 Portland, OR.
 www.patcal.com