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Thermostat on industrial engine

S

Steve-Maine

Member
I'm rebuilding a Chrysler HB 225 slant six engine in a brush chipper. what temp. thermostat or does it need one ? Thanks
 
I'd probably go with a 195 this time of year or if you don't run it much in the winter a 180 for summer uses
 
(quoted from post at 19:38:01 02/09/21) I'm rebuilding a Chrysler HB 225 slant six engine in a brush chipper. what temp. thermostat or does it need one ? Thanks
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195F . Burns the fuel more efficiently .
 
(quoted from post at 20:38:01 02/09/21) I'm rebuilding a Chrysler HB 225 slant six engine in a brush chipper. what temp. thermostat or does it need one ? Thanks
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Definitely needs one. I don't know of any liquid cooled engine that doesn't.

Not saying there isn't but I've never seen a closed cooling system that didn't need a thermostat to get the engine into the proper operating temperature range.

195* would be right IMO.
 
I've gotten into the habit of drilling a small hole in new thermostats. Not big enough to change its function but big enough to vent any gasses if the head gasket leaks. I've seen leaky head gaskets push all the coolant out of an engine more than once. Goodby engine.
 
(quoted from post at 10:02:41 02/10/21) I've gotten into the habit of drilling a small hole in new thermostats. Not big enough to change its function but big enough to vent any gasses if the head gasket leaks. I've seen leaky head gaskets push all the coolant out of an engine more than once. Goodby engine.
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That also aids in bleeding air out of the system when filling after it's been opened for repairs, etc.
 

depends... is it an emissions engine,, then 195...

is it under a lot of lot all the time and run to the limit? then 160.

Does it run under very light load most of the time. then 180.

Then again, there are hundreds of thousands of engines running out there with NO thermostat.

I see most tractors come in with no thermostat, and a poor radiator with half the cores pinched shut, and the other half full of mud.
 

Bill, you must be fixing tractors for the swamp loggers down there on the bayou dodging alligators. lol. Back in the day working on the 57 chevy every other day, we didn't run thermostats and antifreeze till winter.

I'm not sure what load the OP would have in a wood chipper. Probably revved up most of the time and the load would vary on how big and long the limbs were going through it and how often. Not quite the same as pulling a plow or disk all day. Those chippers have those big flywheels to reduce the torque pull on the motor when the big limbs go in.
 
climate will also affect your choice... if very hot 90 plus during the work season,,, a 160... if very cold during work season,, bump it up...

The guys in Siberia start the equipment in the garage, and are not allowed to turn it off till its back in the garage at end of shift.
 
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