[DeTomaso] Incorrect gas gauge

[Mark McWhinney]

Some of the fancier aftermarket gauges allow for multiple calibration
points.  I think little Larry has that.  If he is lurking, may he can fill
us in.

As I recall, Chuck did the one-gallon at a time work to record the ohm
readings.  


-----Original Message-----
From: detomaso-bounces at realbig.com [mailto:detomaso-bounces at realbig.com] On
Behalf Of Garth Rodericks
Sent: Tuesday, July 24, 2007 10:33 AM
To: detomaso at realbig.com
Subject: [DeTomaso] Incorrect gas gauge

Just another reference point for the non-calibrated nature of our gas
gauges.
   
  When mine is full it registers Full.
  40 miles after fill up it registers at the 3/4 mark, or slightly below.
  But I can drive for quite a long time between 1/2 tank and Empty.
  And, at Empty the warning light comes on. 
   
  I have not tested how far I can go after the warning light comes on,
however the most I've 
  been able to add at a fill up was 19.5 gallons.
   
  Now, I recall a year or two back that someone posted that they made a
simple electronic 
  converter to calibrate the fuel gauge. I think they took ohm readings from
the sender as they 
  filled the tank 1 gallon at a time, then created a mapping table to send
an accurate reading 
  to the gauge. Does anyone remember who that was?  I recall they were
planning to make it 
  available for sale, but I never saw anything more on it. Does anyone have
more info?  I'd like 
  one. 
   
  Cheers!
  Garth
  #4033
   
  YMMV,
  Garth
  #4033

       
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