I would attribute at least part of the additional life to dry cylinder liners. In the 1970"s, in some areas of the country, 400 series motors were actually wearing through the outside of the sleeves well before the bores would wear out. The wet liners combined with the typical use of well water led to terrible cavitation erosion of the cylinder liners, especially with the engines running high cylinder pressures (turbos). The 361 had the sleeves placed right into the block, which keeps them away from the water and cavitation and keeps them from flexing under operation. But, it also leads to the rebuild problems. The 361 sleeves need to be pressed in. If they are a little too tight, they will deform, and then will wear out brand new piston rings and pistons very quickly. If they are rebuilt right, I am sure they last almost as long as the first lifetime.
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Today's Featured Article - Women and Tractors - Tractor Engine Repair - by Teri Burkholder. One of the great things about working on a tractor engine with your other half is that you know what he is thinking of at all times and can anticipate his every move and his next thought of what he will do. With Ben, anyway, I can tell! He'll be busy working and I’m handing him tools and he says, "give me that..." and I’ve already got it in his hand or "hand me that....."and I’ve got the portable light right where he needed it placed to see. "Run in the house and get me a...."as I open th
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