Don't know with your tractor as old said it . In my S/MTA that is what i run with the M&W flat tops i do not have the plug fouling that i had with the 87 it runs cooler on the 93 . Do you have to on them don't know myselfbut on my buddy Vernon's S/MTA yea ya have to with the high alt. pistons and the 450 head . We all just get the high test and if it is gas powered then that is the gas that goes in . We have a couple 706 gassers and they HAVE TO feed on the 93 or ya guild pistons or melt them .So we have one tank of 500 gal. for diesel on the one farm and a 300 gallon for the gas and at Vernon's place there is a 1000 gal diesel tank and a 500 gallon gas tank . Our fuel supplier brings us good 93 octane gas at both places. a few years back they hired a new guy to drive the fuel truck and he brought a load of gas that was wrong out and filled the tank at Eugene's . Eugene filled the 706 up backed into the barn hooked up to the grinder mixer pulled it to the corn crib and started to grind a batch of feed and was working the 706 like we always do when grinding and promptly ate a piston . The new driver had brought out a load of 87 and not the 93 that he was suppose to . They paid for the repairs as they know what can happen to the pistons on the 87 , i also built the owners son two pulling tractors .
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Today's Featured Article - The Cletrac General GG and the BF Avery A - A Bit of History - by Mike Ballash. This article is a summary of what I have gathered up from various sources on the Gletrac General GG and the B. F. Avery model A tractors. I am quite sure that most of it is accurate. The General GG was made by the Cleveland Tractor Company (Cletrac) of Cleveland, Ohio. Originally the company was called the Cleveland Motor Plow Company which began in 1912, then the Cleveland Tractor Company (1917) and finally Cletrac.
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