Best read up on what they require for fuel . And like i said the old M's over the years with the upgrades are no longer a low compression engine as every farmer out there never had enough horse power and the days of the distillate engines are long gone and with that came the fire crater pistons the high dome the lower CC heads and on and on . Even the old gas powered semi's from back in them days HAD TO RUN hightest gas . Way back in 63 i started driven a semi , it was a B 60 Mack with a big 6 cylinder gas engine and when i put gas in it you had to run the hightest and it was 105 octane same gas i ran in my 56 ford with the hopped up 292 with the 312 heads and iski cam with two 4bbl holley bird cage carbs and the mallory dual point dist. The gas that was brought to the farms was now get this 95 octane as i remember the stickers on the pumps as at my uncles farm there was tractor gas and it was 95 and there was the gas we ran in the old semi's that he started out with before the BIG trucks arrive that had the massive 8-71 detroit 318's . The old Ford F 1000 with the 534 V8 gas and the dodge 900 with the 413 they needed the 105 . In the late summer of 64 i started building my new car engine from a bare block and when done with that one she would run on the 105 but not like it would on the Sunoco 260. And also back then the pistons used were FORGED pistons in tractors and working engines and getty up and go fast engines. Now today we get cheap cast pistons and they do not like heat . I have seen many times what this new 87 octane gas will do to a working gas farm tractor . So it is like this you do what you want and when the day comes and you score 3- to all 6 pistons or you have a China syndrome in your engine and standing there wondering why this happened then just look back and what was in your tank. I see it on here all the time about my spark plugs keep fouling why . Well you will have plug problems more on the 87 compared to the 93 .
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Today's Featured Article - The Cletrac General GG and the BF Avery A - A Bit of History - by Mike Ballash. This article is a summary of what I have gathered up from various sources on the Gletrac General GG and the B. F. Avery model A tractors. I am quite sure that most of it is accurate. The General GG was made by the Cleveland Tractor Company (Cletrac) of Cleveland, Ohio. Originally the company was called the Cleveland Motor Plow Company which began in 1912, then the Cleveland Tractor Company (1917) and finally Cletrac.
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