Temp guage - what is normal?

[JFP in PA]

Originally Posted by jmatta

JFP, is there any way to increase the accuracy of the gauge; i.e. different sender or such?

I installed the LN low temp t-stat and the gauge reads lower than before, but my impression is that an idiot light would be about as accurate.

Regarding the coolant bleeder...when I changed my coolant, I drove over 250 miles with the valve open and topped occasionally with distilled water; now it's fine and stable.

The temp sender itself is reasonably accurate; it is the dash gauge that is the problem, which does reduce the gauge to little more than an "idiot light". I know of no reasonable way to fix it other than to go to aftermarket units.

We prefer to use a vacuum filling system, 5 min. and the system is ready for years of sealed running..............