10SI Delco with proper installation and good wiring and connections is very dependable. I, myself prefer the 3 wire setup.
He has a magneto, so his on-off switch is a grounding kill switch so no switched 12 volts to excite the #1 pin on alternator.
Some options to excite the #1 pin would be a momentary push button to apply voltage, but would have to remember to press it each time you start the engine. Could also use an oil pressure activated switch, or a double pole-double throw toggle switch with one side activating the alternator in run position and other side to ground the mag in stop position. Caution on this is that switch could get bumped on with engine not running and damage the alternator.
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Today's Featured Article - When Push Comes to Shove - by Dave Patterson. When I was a “kid” (still am to a deree) about two I guess, my parents couldn’t find me one day. They were horrified (we lived by the railroad), my mother thought the worst: "He’s been run over by a train, he’s gone forever!" Where did they find me? Perched up on the seat of the tractor. I’d probably plowed about 3000 acres (in my head anyway) by the time they found me. This is where my love for tractors started and has only gotten worse in my tender 50 yrs on this “green planet”. I’m par
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