Usually for industrial app. if GM followed the rest of the herd the internal changes would have been like a steel crank either lower compression heads or pistons a different cam and or cam timing , different ing curve , up draft or side draft carb , ehaust valves of either Sodium filled or stelite with hardend seats. we did a rebuild on a Gleaner that had a 350 in it and it was not a matter of just running up to Summit and getting a 250 dollar off the shelf rebuild kit . And it took some hard looking even for our engine parts place to come up with everything . Alot of the parts were used in heavy truck app. This also held true with Ford and Chrysler. Yes engines in combines today run HOT . BUT they never did when they were new . Myself i ran a Massey 300 with the 225 slant six and the first time i put it to work she was running hot and i set out to find out WHY , so where do you start looking first , we did the water pump and Tee/stat then the rad. then the timing and it still ran HOT like 215-220 running in corn with outside air temps in the 50-60 degree range could not figure it out . Till one day coming back from a sale out in Indiana , i had bought two 100 gallon fuel tanks with pumps and while filling the truck i was standing there and looking at the pump that said AG gas and it was at higher octane then the gas going into my truck and it was a lot cheaper then gas was at home so i did a NO NO and i filled both of those tanks with that gas . The next day i went to shelling and filled the 300 with that gas and there was a noticeable difference in running temp as it was now running and staying at 190-195 . There is a lot of difference between and ind. engine then and automotive engine they may look the same on the outside but on the inside that is where it stops.
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Today's Featured Article - The Ferguson System Principal An implement cutting through the soil at a certain depth say eight inches requires a certain force or draft to pull it. Obviously that draft will increase if the implement runs deeper than eight inches, and decrease if it runs shallower. Why not use that draft fact to control the depth of work automatically? The draft forces are
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