[Tigers] Water Temp Gauge Reading High

[Smit, Theo]

You should validate that your instrument stabilizer is working properly
before chasing the gauge.

The stabilizer (the little gray rectangular box that should be screwed
to the dash support rail) also supplies the fuel gauge.

Does the fuel gauge read properly, or does it read high? If you run the
tank down to empty, and put in 5 Imperial gallons (that would be about 6
US gallons), does it read 5, or does it read higher?
A good test is to put in fuel in 1 gallon increments and note the gauge
reading you get after each step. If it goes up properly according to the
gauge scale, then the stabilizer is probably good. If the tank contents
are constistently reported 20 to 30 percent high (up to the point where
you run off the top of the scale) then the stabilizer points are stuck
in their conducting state, and your temperature gauge will read
similarly high.

The gauges are adjustable but not in any good way. Doesn't Rick at SS
carry the proper sender?

Cheers,
Theo



-----Original Message-----
From: tigers-bounces+theo.smit=dynastream.com at autox.team.net
[mailto:tigers-bounces+theo.smit=dynastream.com at autox.team.net] On
Behalf Of Bill Waite
Sent: July 29, 2008 11:58 AM
To: tigers at autox.team.net
Subject: [Tigers] Water Temp Gauge Reading High

I have determined with a fair amount of certainty that my water temp
gauge (Mark II original gauge, not sure if exactly same as earlier
Tigers?) is reading too high.  It shows a constant 205-210 when at full
temperature.  But, it never "boils over" (13# cap on overflow tank) and
does not otherwise "act" hot in any way.

This morning, we used a good quality laser/infra-red temp gauge and it
shows 190 degrees at the base of the thermostat housing (with the dash
gauge at about 210).  Checks at other spots like the radiator etc all
showed temps a fair amount lower than the 190 seen at the thermostat
housing (e.g. in 180 range).  I believe I am running a 185 degree
thermostat (brain fade).

I do not believe that the temp sender on the manifold is the original
sender.   In any event, assuming that I can confirm with a second test
(temporary install of another good sender/gauge) that the original gauge
is reading 20+ degrees too high, is the original gauge "adjustable?"
Or, should I be looking for a different (original style) sender?

Any tips would be appreciated.

Bill Waite
Grand Rapids, MI
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