Well Kelly First off when that tractor was made and used reg gas was between 93 and 95 anywhere ya went second that it is a high rpm engine and considered high comp. and third the owners manual tells ya that min. req. is for 93 and if ya use 89- or 87 she will have pre ing can swell pistons and score liners lock up under load . Now also think about this just how old that tractor is and you have no idea just how many times that head has had .010-.020 taken off and this has upped the comp.and will add to the need for the 93 socalled high test of today. Also the timing is vary important on them so one must keep a close eye on it when one changes the points , 24 degrees at rated high idle on a 263 and 18 and no more then 20 on a 291 .
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Today's Featured Article - An Old-Time Tractor Demonstration - by Kim Pratt. Sam was born in rural Kansas in 1926. His dad was a hard-working farmer and the children worked hard everyday to help ends meet. In the rural area he grew up in, the highlight of the week was Saturday when many people took a break from their work to go to town. It was on one such Saturday in the early 1940's when Sam was 16 years old that he ended up in Dennison, Kansas to watch a demonstration of a new tractor being put on by a local dealer. It was an Allis-Chalmers tractor dealership,
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