Posted by CNKS on February 18, 2013 at 16:35:36 from (216.144.104.128):
Or someone else who is sure of the answer. I am putting a 281 cu in engine kit in my Super M. It will have the original the IH fire crater pistons in it with new sleeves and rings. I bought a 22 degree advance plate from Dave Slater. Getting ready to finally assemble the engine. I noticed today that it has an LPG head, cast 12-6-58, letter appears to be D, hard to read. Head number is 8574 DC. Webers Tractor Works says the LPG set up with firecraters has 197 psi compression. Is that correct or does the factory LPG have other modifications? My tractor did not come from the factory with LPG. I did little more with the tractor but drive it around with no load and on the road in 5th. I did not hear detonation in 5th, but I am 75% deaf. Tractor will not be used much, when it is it will be with a bush hog at considerably less than full load, since my bush hog is only 5'. Does this tractor require premium fuel?? Anyone have an idea what the drawbar HP is?
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Today's Featured Article - The Day Tractor Lovers Dream About - by Angus Crawford. The day started at five o'clock on the morning of Friday, the January 29, 1999. My father, my sister, my uncle, my cousin and myself all climbed into my uncle's Toyota van. It was six thirty in the morning and we had a long day ahead. We traveled for six and a half hours to our destination - a little country town with a population of no more then one hundred and fifty people (57 of them being children under the age of thirteen). We arrived hoping to meet up with a man we knew had over one
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