Alex, Im not sure where some of the horsepower figures are coming from, and I wish I could find a set of magic pistons that make 100 hp like dennys sells, but for what its worth here is what I have found to be true. Super M, 8060 head milled down to the point I had to braze and redrill the triangle water holes, 4 1/8 m&w pistons, johnson manifold, msd box, and an m&w governor. bigger venturi and nozzle in the carb. 58 hp at 540 on an old 100 horse m&w dyno on pump gas. I pulled this tractor back in the early 80's with nine bolt dual hubs and 18.4-34 firestone tires that were around 20%. stock drawbar and ten psi air press. we pulled it up to 10500 and beat several 4020 and 806 out of the field gas tractors. It was alot of fun on a little money. It wouldent be competitive in my area anymore. I miss those days!!!
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Today's Featured Article - Identifying Tractor Noises - by Curtis Von Fange. Listening To Your Tractor : Part 3 - In this series we are continuing to learn the fine art of listening to our tractor in hopes of keeping it running longer. One particularly important facet is to hear and identify the particular noises that our
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