I have done several H's in the past. The biggest thing is you will absolutely have to change the spark plug wires. The Petronix ignition module requires carbon core wires. The tractor will not run correctly with out them and you could burn out the ignition module. This is stated in the installation manual in the kit. The spark plug gap is not really that important if you have a stock engine. I would replace the coil also not just for an performance increase the new one might get you. Coils will go bad with age. I burned up a Petronix module when the coil on one of my tractors shorted out. Word of warning, DO NOT leave your ignition on with out the tractor running for an extended period of time. This will burn out a module also. I will run my tractors dry after I use them and I forgot to turn off the ignition on one of them over night. It killed the module.
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Today's Featured Article - A Lifetime of Farm Machinery - by Joe Michaels. I am a mechanical engineer by profession, specializing in powerplant work. I worked as a machinist and engine erector, with time spent overseas. I have always had a love for machinery, and an appreciation for farming and farm machinery. I was born and raised in Brooklyn, New York. Not a place one would associate with farms or farm machinery. I credit my parents for instilling a lot of good values, a respect for learning, a knowledge of various skills and a little knowledge of farming in me, amo
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