The reason I say battery ignition makes for a smoother running engine at other than full throttle is because with a magneto, as used on these models, the spark advance is full at all running speeds. Only retarded with a impulse for starting. Listen to all those little pops in the exhaust at low rpm on magneto equipped engines. Hear that flap on the muffler slapping back and forth. That is due to improper advance for that speed. I am not talking about pulling tractors as I have no interest in them. I am talking about customers tractors brought into shop for repairs in the years I worked at dealer. Talked more than a few into getting rid of the magneto over the years. Very few if any old tractors are running with their original bore, compression ratio's etc. So , they are all modified to some extent.
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Today's Featured Article - Tractor Traction - by Chris Pratt. Our first bout with traction problems came when cultivatin with our Massey-Harris Pony. Up till then, this tractor had been running a corn grinder and pulling a trailer. It had new unfilled rear tires and no wheel weights. The garden was already sprouting when we hooked up the mid-mount shovel cultivators to the Pony. The seed bed was soft enough that the rear end would spin and slowly work its way to the downhill side of the gardens slight incline. From this, we learned our lesson sinc
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1964 I-H 140 tractor with cultivators and sidedresser. Starts and runs good. Asking 2650. CALL RON AT 502-319-1952
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