First check the dist for a working advance . Next set the timing at full throttle for full advance . NEXT make sure that you have the correct heat range on the plugs. Next fine tune the carb . set the main jet at four and a half turns off the seat and maybe five. next fine tune the ideal mixture screw with the engine warmed up and as you do this start backing down the curb ideal to 450 RPM . then like others have said and i have said many times before up the grade of gas. And on yours 89 will do fine Myself and all my friends customers we get the 93 for our gas tractors but we are running 460-560-706's and 4 S/MTA's with higher compression pistons then most run. along with 400 and 450 heads. So we just get the 93 octane and use it in all .
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Today's Featured Article - Box Plow Blues - by Tom Schwarz. One of the first implements most tractor owners obtain is the box plow. For very little money, this piece of equipment promises to plow and flatten any hill or vale on your ranch road or farm. At least that's what I thought! As simple as a box plow appears, it can be rather challenging to make work correctly. In our sandy soils of Florida, traction is king. You can never have wide enough tires or heavy enough weights to get all the traction you want … unless you own a monster tractor. U
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