Clean, clean and clean. Pull the plugs from the oil galleries and rifle brush them out. Put a dial indicator and degree wheel on the camshaft.You will be shocked at how a "good enough" looking cam & follows set are worn. The cam controls timing and the engine can never run 100% with each cylinder seeing different lift and timing. Fortunately getting the cam and lifters trued up doesn't cost any more than a set of rings. New valve guides or bronze sleeves. Nice fresh new valve seats & valves don't seal and don't last with the valves wobbling around loose. A set of "LP style" pistons while you are at it. With todays gasoline why run 4 or 5 to 1 compression when the engine will run fine on 87 pump gas with 7 or 8 to 1 compression. Tell your cam grinder what compression ratio so the cam duration will match the piston's compression at stock rpms.
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Today's Featured Article - Third Brush Generators - by Chris Pratt. While I love straightening sheet metal, cleaning, and painting old tractors, I use every excuse to avoid working on the on the electrics. I find the whole process sheer mystery. I have picked up and attempted to read every auto and farm electrics book with no improvement in the situation. They all seem to start with a chapter entitled "Theory of Electricity". After a few paragraphs I usually close the book and go back to banging out dents. A good friend and I were recently discussing our tractor electrical systems when he stated "I figure it all comes back to applying Ohms Law". At this point
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