Posted by ah724tractor on January 21, 2018 at 15:58:44 from (107.5.107.199):
My JD 70 gas didn't like to start. Decided to freshen things up and replaced the entire ignition system: plugs, wires, coil, cap, rotor, points, condensor. Set static timing to about 10 ATDC.
For the first time ever, it starts immediately with the choke full on. Idles perfectly. But when I attempt to throttle up, the ignition starts cutting out as if the key switch was intermittently flipped off. Just before it dies, it fires again. Soon as it tries to rev up, it cuts out. Put my inductive timing light on left plug wire, and held the trigger. Flashes consistently at idle as expected. After revved up, the ignition goes out and usually doesn't resume unti the engine RPM is faded down to idle.
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Today's Featured Article - Harvestin Hay: The Early Years (Part 2) - by Pat Browning. The summer of 1950 was the start of a new era in farming for our family. I was thirteen, and Kathy (my oldest sister) was seven. At this age, I believed tractor farming was the only way, hot stuff -- and given a chance I probably would have used the tractor, Dad's first, a 1936 Model "A" John Deere, to go bring in the cows! And I think Dad was ready for some automation too. And so it was that we acquired a good, used J. I. Case, wire tie hay baler. In addition to a person to drive th
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