Like Jim said, a little pitting in a diesel isn't the worst thing in the world. They don't have predetonation issues like a gasser. Another thought is TIG welding up the pits and then machine the welds down. That is what my buddy did to build some hicompression pistons for a 4455 puller. I also agree that those might be some tough pistons to get ahold of.
Here are some pictures of mine and 90% of people said run them. I ended up finding a used motor about 5 hours from me for $150. It also ended up having oversize pistons as well. Now all I need to do is pull the motor and bore out my current sleeves and life is good. I even have another spare motor sitting in the neighbors shed. I guess I should find another 9 series for all my spare parts!
The other thought is you are not too worried about oil consumption since it will only run 15 min at a time BUT you are worried about compression. This would make a rotted out ring area a little iffy.
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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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