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 - Fabrication (Who Me? Make it myself?) - by Chris Pratt. First of all, what are the reasons for not fabricatin your own parts? Most judgements on what should be purchased rather than fabricated stem from: Originality - If the tractor restoration is to be 100% original, it is likely that you should spend the time and money to locate the component in the used or New-old-stock market. Since this can be extremely difficult, you may want to fabricate the item or purchase a modern replacement temporarily, but eventually, you s
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