Posted by Steve@Advance on January 05, 2023 at 15:16:58 from (47.37.93.96):
In Reply to: Re: Block Work posted by jd2cyl1943 on January 05, 2023 at 12:43:32:
I would start with finding a hand drill hone, either a 3 stone type or a ball type. You might find a loaner at the auto supply. Wet hone it with solvent, diesel, Safety Clean, kerosene, etc. See how it comes out. No, the rings won't catch in the pits, but the pits can trap and transfer oil into the upper cylinder, as the rings can't scrape the oil away that is hiding in the pits.
Will it be a problem? Hard to say without seeing it. For a show tractor... It may not be the best, but will probably run a long time as long as you watch the oil.
As for the heads, take them apart. Find a spring compressor, again the Loan A Tool program at the auto supply. Take them apart, note which valve goes in which hole. Clean everything up, wire brush in a drill works good for removing carbon. Check out the valve sealing surface and the seat. Usually, they can be lapped. Get some valve lapping compound, grab the stem with the drill, pull the valve against the seat and spin it. It will leave a gray mark where the seat and valve meet. If the gray is continuous around the seat and valve face, it will seal.
The crank journals and rod bearings, hard to say without seeing them. As long as the bearing isn't beat out with excess play, or been run out of oil and galled/seized/hot discoloration, they will probably be OK. Better a little loose than too tight if you try to tighten them up. Pits, as in rust pits, or has something hit the journal? Pits are not too bad as long as the metal isn't raised around the pit from being dinged. Some filing and polishing will generally take care of it, just don't want anything standing up that will cut into the bearing surface.
Hint: Some big plastic tubs and full strength Purple Power make a good parts cleaner/soaker. Oven cleaner is good for baked on grease. Both will strip paint.
Take lots of pictures as you disassemble, bag and label parts as you clean them, keep everything organized to prevent getting scattered and lost. Clear and clean, designated tables make a good place to lay out the project and stay organized. Avoid the floor and random stashing, good way to lose things!
Have a plan. Don't take on more than you can handle financially or emotionally. Easy to get overwhelmed and discouraged. Keep your goals doable in a reasonable time frame, even if you don't get everything done, consider it a work in progress and get it back together enough to see it run and move!
These old tractors were designed to be field serviceable with minimal equipment and basic mechanical abilities. Take advantage of that offer! It's now a thing of the past!
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