they are not making the 93 anymore with out the methanol and this is the problem the methanol . way back when we had the first melt down and i saw the damage to the pistons i knew wright away that it was fuel related , from my past days with race engines and piston failure . and know that if it leans out they get hot , if the timing is to far back they get hot , if the timing is to far ahead they get to hot . Ok i know my dist work is correct i know that the changes to the carb is correct and i know that the cam was done correctly so it had to be fuel . Now my customer had ran the tractor with gas from the little gas station a mile and a half from the farm and i knew that he had bought hightest as i had to wait for him to finish putting gas in before i could fill my truck , and yes i ran the hightest on my 88F350 with a 460 in it . And after i filled we both went to the farm and hooked up the plow . He had about 32-34 hours on the engine after rebuild doing chore work thru the fall and winter and would come up and borrow a tractor off me to grind feed with so that he would not put tomuch a load on the fresh engine . Once the plow was hooked and they were a set of 540 4x16"s we went to the field and started plowing . I wanted to listen to it working and see how it was going to perform . Well i was impressed with it"s performance and stayed for about and hour and a half . There were no issues that day and he ran it for a full day on the gas he got up the road . During that day the guy showed up with 500 gallon of gas and filled Eugene"s tank with what was suppose to be 93 octane and he paid for 93 . Eugene plowed on into the evening till his wife made him come in. The next day he went to his tank and filled up then off to the field He did NOT make the end of the field when she seized . Well he called me and said she was LOCKED up . I went up and it had sat for about 20 min. to a half hour by the time i got there and it had cooled down and fired up BUT now it was knocking damage done , so back to the shop two miles away from the farm . Pulled the head and all six were toast Pulled the pistons out and you ould then see where the problem started . we were lucky enough to get away with running the ridged hone down and they cleaned up and instead of having the .004 skirt to wall clearance that i put on each piston we now had .0043 Still within the spec."s . We then started the quest of finding someone to test the gas in Eugene"s tank . His nephew down in Columbus Ohio knew of a lab that could do this work. we called them and they told us to go by a NEW plastic one gallon can and to run some gas out of the hose before we put the gas into the can and to seal it as tight as we could and then deliver it to them . we did just as they told us and as soon as the can had a gallon in it and the cap was as tight as we could get it we were off to Columbus . We handed it to the Chemist and he wrote down our phone numbers and we left . We never told him who"s gas was in that can all we told him was that it was SUPPOSE to 93 octane . As we were getting off I71 onto U S 30 east my cell phone rings and it is the Chemist and he proceeds to tell me that the gas in the can was Ashlands gas and it was 87 octane NOT THE 93 that Eugene paid for and it was laced with MTB and Methanol and that those two were the main cause of our melt down along with the low octane and that he would send us a detailed graph and try and put it into more LAYMEN terms as to what was going on and show the difference between the 87 octane burn and the 93 octane burn and the difference in heat at peak burn . He also told us that the 87 is a FLASH burn hot and fast and the 93 is a more COOLER and longer burn giving better power spread out over the burn . Now from what i learned Thursday our GOOD non Methanol gas went bye bye because of our great EPA mandate that we must now have the 10% and they are wanting up to 15% . Now i also can tell ya that my wife the War Dept has been B*%#(!t-en * because her 03 Durango has not been getting the fuel mileage that it has been getting , now mind ya with the 360 iron block 360 under the hood it has never got what i thought it should but it would do almost 18 out on the road and 15-15.5 running around her area of travel. My wife works for Girl Scout of NEO and has a lot of driving to do . If she is not working in the county then she has a 52 mile round trip drive to the office each day . well i drove the durango the other day and it is almost gutless with not much pep on the hill and she is down shifting on them to maintain speed = more fuel sucking . Asked her where she bought gas at last as the Durango is as fussy as she is , she tells me that she filled up at Shell , shell USE to run the best and the next best was Smith"s gas , OH GUESS WHAT they now have the 10% blend where up till mid March they did not So now we are down to 15 15.5 highway and 13running around the back roads and small town . Yep i put the scan tool to her just to be sure along with a new set of plugs wires and cap and rotor. cleaned the ideal bypass and throttle body , No change . Ya can not make power with out compression cam timing and ing. timing . And fuel to make this all happen . Myself i am still thinking on this. , a big help would be Forged pistons , and here again i had a talk with Clevite about this and the responce i got was well nobody uses them old tractors to do work with and we can make these pistons cheaper and faster just like we touched on the lack of parts for the MD thru the 450 D as i asked about how we could get a run of mains and rods along with pistons and sleeve made . well had i hit the big lotto i could have them make a run of 1500 sets . As hey were talking megga bucks to toll up .
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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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