Jim, thanks for the pointers. I talked with another person who suggested using a 454 bellhousing and building the clutch linkage to fit. Of course that would use the GM starter too, and the bellhousing holes can be rebored to match the M transmission if there is an M bellhousing that can be removed.
Another concern is the main shaft from the M transmission. As I recall, in the 454, there is a pilot bearing in the end of the crankshaft, and the shaft enters through the throwout bearing, then the clutch plate to the pilot bearing.
Do you think that the tractor main shaft splines will fit into a GM 454 clutch, or will I need to get a replacement shaft machined to fit?
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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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