[DeTomaso] Pantera Temperature Gauges

[charlesmccall at gmail.com]

Hi Steve
Thanks for sharing - interesting to have some scientific data regarding the temperature readings.

One correction to what you have written - specifically this statement: 
***Over the years I have heard that the temperature gauges in Panteras
   were a bit off. And, have heard that adding a 10 ohm resister in series
   with the temperature probe would make the gauge more accurate.***

I've read that the problem was not that the temperature was not accurate - it was owners got nervous seeing the temperature gauge far to the right with a gauge that maxed out at 230F. You've actually confirmed it yourself, saying that with a 190F thermostat it looks like the engine is running warm, even if it is exactly as designed. The in-line resister was to make the temperature gauge read artificially low, to give owners the feeling that the temp was where it should be since the needle would be more or less in the middle of the gauge. So it would actually make the gauge less accurate, but would make the owners feel better. 

Everything else seems very useful - to determine exactly how accurate the gauge and sender is anyway. At least until you turn your lights on - in my case, the engine temp goes up by 15 degrees by turning on the headlights 😊 

-----Original Message-----
From: DeTomaso <detomaso-bounces at server.detomasolist.com> On Behalf Of steve at snclocks.com
Sent: viernes, 23 de agosto de 2019 20:10
To: detomaso at server.detomasolist.com
Subject: [DeTomaso] Pantera Temperature Gauges

   Over the years I have heard that the temperature gauges in Panteraas
   were a bit off. And, Iave heard that adding a 10 ohm resister in series
   with the temperature probe would make the gauge more accurate. In fact,
   at least one vendor offers a nifty plug and play setup to do just this.

   Our car came with the 230F gauge a which shows 160F as the centered
   point on the scale. With a 190F thermostat a the car always looks like
   it is running warm. And, when the car is actually hot a as in I set the
   radiator fan controller to come on at around 210 and off at 220F, well,
   it looks like the thing is really too hot, with the needle way over to
   the right. I was also aware that later cars came with 260F gauges. So,
   I set out to find a 260 on eBay. Sure enough, one showed up and found a
   new home. Naturally, I was curious how accurate it was. And, well, for
   that matter, how accurate the original was.

   I wrote a short article to discuss what I learned - hopefully helping
   others to understand a bit more about their temperature gauges.  Here
   is a link to the
   article: [1]https://www.snclocks.com/TheRestofourWorld/Automotove-Techi
   nical-Articles/Pantera-DeTomaso-Temperature-Gauges/

   Hopefully the article makes sense...

   Stephen

References

   1. https://www.snclocks.com/TheRestofourWorld/Automotove-Techinical-Articles/Pantera-DeTomaso-Temperature-Gauges/
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