I see no reason to do more than repair the #3 cylinder, and injectors. If bearings are as good as you say they are, and the other pistons and sleeves ar good, leave a sleeping dog lay. Be careful to not disturb the #3 sleeve as it is seated to the block. Removing it or rotating it could cause the sleeve to crack at the flange, when the head is torqued down. (big bore/long stroke sleeves are hard to support in an engine with only contact at the top, and O rings at the bottom) When we did complete overhauls, with sleeve & pistons we always had the block counterbores trued up also to insure propper sleeve protrusion. In late production 70 series engines there were issues in this area, as Case tooling was getting obsolete, thus the Case/Cummins partnership.CDC engine Co was formed. Loren, the Acg.
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Today's Featured Article - A 1937 John Deere Unstuck - by Gary Hickman. Here is my story of how I got the pistons out of a 1937 JD B that the engine had been stuck for about 14 years: About 12 years ago my Dad gave me one of the tractors I ran as I was growing up on our farm in central Nebraska. The engine on this tractor, a 1937 John Deere "B", had been stuck for 2 years before he gave it to me. This last spring (1999) I hauled the tractor to our 2 acre lot in St. Libory Nebraska where it joined my antique machinery collection, at that time a 1929 Caterpillar T
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