It was the all fuel, 4 something to 1 compression motor and yes it was welll used. Now it has 125 over with the M&W style aluminum pistons and is probably close to 10 to 1 with the flat head. The bigger valves and the better ports help alot also. It would bogg down in the 4500 class pretty easy without spinning out. Now it doesnt bogg in the 5500 class and does spin out. Would use garbage fuel in the beginning but now needs 110 octain to pull. So, yep i'de say it is about 50hp or more with no sweat.
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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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