[200q20v] new(er) VDO EGT gauges

Mike Miller mikemilr at blackfoot.net
Mon Dec 4 09:20:29 EST 2000


Just out of curiousity, what kind of exhaust temps are we seeing on our
cars? I get my diesel up to about 1000 deg F occasionally when towing up a
hill and, as I recall, 1100 is about the max it should ever reach according
to Banks.

mike miller

----- Original Message -----
From: "Glen Dustin Powell" <gpowell at ennovatenetworks.com>
To: <urq at audifans.com>; <200q20v at audifans.com>
Sent: Monday, December 04, 2000 7:07 AM
Subject: [200q20v] new(er) VDO EGT gauges

> The VDO EGT gauge in my 85 ur-q started to fail intermittantly. It would
> stick at 0 and at other spots and require a 'tap' to get the meter
> to move. I finally got fed-up with it and replaced it with another gauge,
> but used the existing thermocouple. The gauge they sent me is a different
> type, it is electronic in that it requires power and is not driven
> by the thermocouple output voltage. I know at least one other person that
> had to perform this same 'upgrade' so I suspect VDO found a design flaw in
> the direct-reading gauges, hence the new version. This new gauge appears
> respond faster and does not stick (so far). It also indicates higher temps
> Vs the old-style gauge, the old one may never have operted correctly or
> accurately. If you have one of the old direct-driven VDO EGT gauges you
> might consider upgrading if you want fast respone, reliability and
> readings. The new gauge was only $75US from:
> http://www.egauges.com/vdo_mult.asp?Type=Pyrometer&Series=Cockpit
> The gauge in the .pic is different from what they sent me. The new EGT
> is marked at like 25, 45...105, 125... 165 (x10). Also, it uses a plastic
> collar that threads onto the body and not the older-style U-bracket and
> thumbscrews as depicted in the above link. The lightbulb socket from the
> old-style gauge does not insert fully into the new gauge and therefore
> lighting is too dim. I will investigate this with the people at egauges
> report back. Might be I need a different socket and/or bulb.
> Anyone encounter similar issues or problems with these units?
> -glen
> 0000
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