Me and my dad went through our old '49 M a few years ago and we ended up doing the 4 1/8" bore. We ended up putting a 450 head on it being the original had 6 cracks, and numerous welds in it. The last time I dynoed the old girl, it was putting out around 66 to 67 horse on 87 octane/unleaded gas. If you want to make power without going the route of stroking an engine, doing work to the head and finding the highest compression piston is the best way to do it. Best of luck with your project!
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Today's Featured Article - Hydraulics - Cylinder Anatomy - by Curtis von Fange. Let’s make one more addition to our series on hydraulics. I’ve noticed a few questions in the comment section that could pertain to hydraulic cylinders so I thought we could take a short look at this real workhorse of the circuit. Cylinders are the reason for the hydraulic circuit. They take the fluid power delivered from the pump and magically change it into mechanical power. There are many types of cylinders that one might run across on a farm scenario. Each one could take a chapter in
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