Thermostat or No Thermostat

[Bill Goddard]

I am running without a thermostat with a water temp of 185*. When I use a 160* thermostat I run at 190*. What is a normal, proper temp without a thermostat, and why would the thermostat not control the temp at 160*
Bill G

[Mitch//pa]

mine runs 140 with a new bergs rad. without a stat

with a stat it runs 160

@80 deg ambient

and thats with 3 holes drilled

[BILL WILLIAMSON]

Originally Posted by Bill Goddard

I am running without a thermostat with a water temp of 185*. When I use a 160* thermostat I run at 190*. What is a normal, proper temp without a thermostat, and why would the thermostat not control the temp at 160*
Bill G

Yo, Bill,
"MAYBE" your radiator is PARTIALLY plugged, therefore the thermostat can't do the job it was designed to do, efficiently??
Bill W.

[Mitch//pa]

Originally Posted by BILL WILLIAMSON

Yo, Bill,
"MAYBE" your radiator is PARTIALLY plugged, therefore the thermostat can't do the job it was designed to do, efficiently??
Bill W.

right on dad

[P.S.]

Originally Posted by Bill Goddard

I am running without a thermostat with a water temp of 185*. When I use a 160* thermostat I run at 190*. What is a normal, proper temp without a thermostat, and why would the thermostat not control the temp at 160*
Bill G

Sounds like you have some radiator trouble.

To directly answer your question, one of my Model As has a new radiator and runs about 140 degrees depending on the outside temp. The other Model A has an older radiator and runs 160 degrees depending on outside temp. Neither of them uses a thermostat.

[oldbike99]

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The thermostat only determines the minimum temp, not the max, unless it is stuck shut.

[JohnLaVoy]

I had trouble getting to 140 with out a thermostat.