Hey it is your tractor and you do as you want . here in my area it still states on the pump that the fuel you are buying is the research method . Also i would like to see you run and old engine from back in the 60's on 87 octane that required 95 octane i am talken just a plan old 390 2 V reg. fuel not a 390 4V . let lone a 10.5 to 1 it plum will not happen . Even by Clevit performance parts catalog the highest compression piston that you can run on today's best pump gas is a shade over 9 to one and that is on a car not a engine that is under load . and one thing about a tractor engine you will not hear her pinging like on a car or pick up . When she start to die and miss may even backfire and plum stop and lock up it is to late as the damage is done . If ya let them set and cool down they will start back up and seem to run ok but you are kidding yourself as you have scored a sleeve or maybe all of them and you really don't want to look at the pistons . But your the expert as i am sure that you have been building engines for over fifty years and have competed in may drag races and won along with years of tractor pulling and won . I am sure that you know ever aspect of engine machine shop operation and can balance, fit , CC port, rejet carbs , grind a cam , and totally rebuild and repair , and recurve a dist, . I am sure that you raised a family making your living fixing other peoples stuff . And also if you are so CHEAP that and extra forty or fifty bucks a year is going to break you do what you want . I see it all the time on here MY TRACTOR STARTED MISSING AND LOOSEN POWER AND QUIT . Then you see the responce your not getting fuel cause your carb is plugged or your fuel tank has junk in it . Or my tractor started to miss and just stopped and will not turn over but after it cooled down it was fine . I have seen it all BTDT . Working a gas tractor hard with the cast pistons the piston will start to swell and even with .004 skirt to wall clearance and .004- to ..019-.020 more clearance at the ring groves that piston will swell over .025 and all the damage is ABOVE the top ring due to low octane gas . Now if your just playen with your tractor for say light loader work or feeding a round bale where it never comes under load it will probably be ok . BUT if your going to grind a batch of feed and your grinding ear corn thru a 5/8ths screen then HUSTON you will have a melt down , Put a set of plows behind it and go to plowing and you will seeze it up before you make it to the other end of the field. We have a bunch of older tractors over here on small WORKING farms and a lot of them are gas , so yes i have seen it all and i have learned what works and what does not work on old gas tractors that WORK . We have six gas tractors that get worked and the total of gas tractors that i work on when needed is around 25 or so . Also just how many dead tractors have you bought fixed up and sold with a WARRANTY and better then 70% of them were gas tractors that are still out there working .
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Today's Featured Article - Choosin, Mounting and Using a Bush Hog Type Mower - by Francis Robinson. Looking around at my new neighbors, most of whom are city raised and have recently acquired their first mini-farms of five to fifteen acres and also from reading questions ask at various discussion sites on the web it is frighteningly apparent that a great many guys (and a few gals) are learning by trial and error and mostly error how to use a very dangerous piece of farm equipment. It is also very apparent that these folks are getting a lot of very poor and often very dangerous advice fro
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