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Discussion Forum

WD45 thermostat

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02-18-2002 16:50:27

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The WD45 that I have doesn't have a thermostat so I decided to put one in. I went to Napa and they gave me one that said 190*-195*. That seems too hot to me. Does anyone know what the operating temp. is suposed to bee?

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02-19-2002 19:19:12

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 Re: WD45 thermostat in reply to Ty, 02-18-2002 16:50:27  
My WD manual says keep the engine at 190 degrees when running using low octane fuel and 170 when running gas, so it won't hurt the engine to run at 190 degrees, it is what is recomended infact for "tractor fuel". The manual goes on to say "strict adherence to these recomendations will guard against excessive dilution of lubricating oil, condensation and corrosion."

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David T (MO)

02-19-2002 08:47:43

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 Re: WD45 thermostat in reply to Ty, 02-18-2002 16:50:27  
Got my 170 thermostat at O'Reily's. Gave them the make and model and year for my WD45 and it even came with the funny sponge rubber doughnut to make the new styled thermostats work. Works great.

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James (MO)

02-18-2002 19:27:22

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 Re: WD45 thermostat in reply to Ty, 02-18-2002 16:50:27  
I run my 1953 WD at about 160 deg F. Control the temperature by closing the radiator shutters in cold weather and opening them in summer. The engine has "no" thermostat, I just watch the temperature gauge. The auto supply stores are pushing higher temperatures because that's what the newer cars run and their thermostat supply (temp ranges)is limited. At higher temperatures, more stress is put on radiators, hoses, & water pumps.

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02-18-2002 20:41:38

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 Re: Re: WD45 thermostat in reply to James (MO), 02-18-2002 19:27:22  
A WD45 doesn't have shutters and it does suposed to have a thermostat. When I built the motor about 2 years ago the thermostat was bad so I left it out. The problem I'm having is the temp gage never even moves unless I have it in a hard pull (plowing or mowing). Most of the time I just use it for small jobs like pulling a wagon or running a auger so the engine never does get up to operating temp.

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James (MO)

02-19-2002 05:49:37

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 Re: Re: Re: WD45 thermostat in reply to Ty, 02-18-2002 20:41:38  
I definitely would not run it cold. If you are too uncomfortable with the 195 deg F thermostat, maybe your local auto parts store can order one of a lower temp.

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02-18-2002 18:36:57

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 Re: WD45 thermostat in reply to Ty, 02-18-2002 16:50:27  
The operating temp. should be between 170 deg and 220 deg. Mine doesn't have a thermostat and I have had no problems. My only problem was that my radiator cap was bad so it gushed out antifreeze evertime I shut it off. Maybe that is the problem!!! Hope it helps.

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