87 Octane should work fine in your Farmalls. Hi Octane gas is not needed in a low compression tractor engine. Also you don"t need any lead additives. Studies and testing have shown that valve seat recession running no lead gas only happens in high RPM engines. Since most gas tractor engines are low RPM, you will be fine. If you have access to non ethanol gas, you will be way better off using it. If you are in a humid climate, the ethanol will attract moisture and cause corrosion in your tank and carb. The ethanol can also cause various rubber compounds on carburetor parts to soften or swell up and fail. I just rebuilt a carb yesterday that had failed in this way due to ethanol gas. If you have to run an ethanol gas, I would recommend draining your fuel tank and carb float chamber if you need to let it sit more than three weeks.
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Today's Featured Article - Box Plow Blues - by Tom Schwarz. One of the first implements most tractor owners obtain is the box plow. For very little money, this piece of equipment promises to plow and flatten any hill or vale on your ranch road or farm. At least that's what I thought! As simple as a box plow appears, it can be rather challenging to make work correctly. In our sandy soils of Florida, traction is king. You can never have wide enough tires or heavy enough weights to get all the traction you want … unless you own a monster tractor. U
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