First check your fluids. Radiator low? oil overfull? The 466's are known for liner pin holing, if the coolant hasn't been maintained. Second check your fan clutch,if it is a viscous drive, and it spins real easy with the engine off,it isn't moving any air. If it is a horton air operated clutch(don't know how the truck is spec'd)make sure it is engaging. If it is a Horton there should be a switch on the dash to override the temp sensor and make the fan lock up regardless of engine temp. The clutches wear out on the Hortons and don't engage, but there is a provision to lock it up manually with a bolt to get you home as a temp fix. Another thing could be the torque converter is weak and heating up the trans fluid,which in turn heats up the coolant.
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Today's Featured Article - What Oil Should I Use? - by Francis Robinson. I keep seein this question pop up over and over again in discussion groups all over the web. As with many things there are often several right answers and a few wrong ones. Some purist I'm sure will disagree to no end with what I will tell you but most of us out here in the real world don't really care do we ? Some of them only bring their noses down out of the air long enough to look down them anyway. If you are like me you are only doing this old tractor stuff because you enjoy it. You
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