Antifreeze does raise the boiling point of water, but how many old tractor radiators run above the sea level boiling point of pure water which is 212 degrees F. Actually unless you have one of the new engines which are designed to run hot, distilled water and an added rust inhibitor/water pump lubricant, which you mentioned, will cool the engine better. Plenty of experience to pack up this statement by having participated 30+ years in developing off-road vehicle cooling packages. Several MM operator manuals I own, recommend draining the antifreeze and using water and anti-rust in the summer months for the mentioned better cooling. I don't do it because it would be a big hassle, although I do watch the temperature gage. However, diligent consideration must be given to cylinder liner cavitation erosion/pitting. Would sure use antifreeze in an IH engine which has history of this problem. Don't know about JD's. If they mention it is OK to use water and a rust inhibitor then do it.
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Today's Featured Article - The Nuts and Bolts of Fasteners - Part 2 - by Curtis Von Fange. In our previous article we discussed capscrews, bolts, and nuts along with their relative hardness and thread sizes. In this segment we will finish up on our fasteners and then work with ways to keep them from loosening up in the field. Capscrews, bolts and nuts are not the only means of holding two parts together. When dealing with thinner metals like sheet tin, a long bolt and
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