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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