Posted by Fsacht on October 06, 2007 at 18:50:59 from (67.72.98.45):
I'm working to get my 50 Cub with J4 magneto to run right. My manuals and what I see on the forum don't always agree. Please advise proper setting for mag points. My manual says .020, forum posts say .013". Valve clearance cold; my manual says .015 and forum posts say ,013". For magneto ignition which dimensions are corrrector best? My valves I've set at .015. What advantage is there to setting at .013" and why is the difference of .002 significant? Also, is there a way to check RPM on a mag system with a dwell/tach/volt meter?
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Today's Featured Article - An Old-Time Tractor Demonstration - by Kim Pratt. Sam was born in rural Kansas in 1926. His dad was a hard-working farmer and the children worked hard everyday to help ends meet. In the rural area he grew up in, the highlight of the week was Saturday when many people took a break from their work to go to town. It was on one such Saturday in the early 1940's when Sam was 16 years old that he ended up in Dennison, Kansas to watch a demonstration of a new tractor being put on by a local dealer. It was an Allis-Chalmers tractor dealership,
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