I agree with Mike. If you have it apart I assume you are boring. If so at least get a set of hi comp alum pistons. Have the cam re-ground to stock (it's got 0ver 68 yrs wear on it ) and maybe higher ratio rockers and if timing/mag or dist / carb are all tuned right then that's not much more than a regular top end overhaul but will make a lot of diff over base line. When that late A was new there weren't many (if any) 35-40 hp tractors that could out pull it. And you would probably be at 45 when done. It probably has no more than abt 32 right now. Think they were abt 38 new.
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Today's Featured Article - Identifying Tractor Smells - by Curtis Von Fange. We are continuing our series on learning to talk the language of our tractor. Since we can’t actually talk to our tractors, though some of the older sect of farmers might disagree, we use our five physical senses to observe and construe what our iron age friends are trying to tell us. We have already talked about some of the colors the unit might leave as clues to its well-being. Now we are going to use our noses to diagnose particular smells. ELECTRICAL SMELLS
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