Re: 1956 60 Is Running Over 200 Degrees-Clooney ha

Posted by Clooney on June 21, 2003 at 03:45:56 from (172.167.37.59):

In Reply to: 1956 60 Is Running Over 200 Degrees-Clooney has th posted by JD60 on June 20, 2003 at 20:16:17:

JD60, first, if you are using the dash gage to measure that 200� by it could be off calibration, [not uncommon on those mechanical gages].
~200� won't really hurt it & that temp isn't uncommon on a working tractor. [plus 200� was required on the all fuelers to be able to burn the heavy distillate fuels]... If you have a 190� thermostat in it 200� isn't too far above that.

~While I'm not saying it can't be the thermostat, a sticky T-stat usually acts up earlier as the engine comes up to temp & not after it is working a while.

~Try just plain water to see if that lowers the operating temp a little, if so mix your antifreeze a little weaker. The other thing water will tell you is if you are actually running too hot...If it doesn't boil you are ok if plain water boils you are definitely running too hot & do have a problem.

~It might not hurt to check the dash gage for proper calibration.... Carefully pull the engine end temp bulb & place it in a pan of boiling water, it should show 212� or there abouts [at sea level].

~Look at [grab] the cooling fan & make sure it's not slipping on a worn out fan clutch [common problem].

~Check the obvious like radiator fin plugging & for missing fan shrouds, make sure the water pump belt is tight.

~If nothing from above seems to help or you still think it is running too hot, check the ignition timing...Late ignition timing will raise the engine running temperature considerably [especially under load]. You might also try opening the load jet in the carb a little more as a lean fuel/air mixture will also raise engine operating temperatures.....

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• Re: Re: 1956 60 Is Running Over 200 Degrees-Cloone JD60 20:29:05 06/21/03 (0)

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