Posted by JDEM on August 30, 2017 at 19:54:13 from (70.194.10.40):
I've had a lot of magneto trouble the past year and am kind of fed up. This on my 70 year-old Cletrac crawler with a Hercules engine. Note - I use it pretty hard. To me, this is not a collector's machine. I have done a lot of work with it. Last spring - after being in storage all winter - it had no spark. As usual, the points oxidated and it is quite a project to get the mag off and clean them up. After that, a few weeks later it started losing spark after it got good and hot (took a few hours of pushing dirt). After it would cool off, it would run again until hot and then quit again. I figured it was the coil in the mag. It had the wrong mag on it anyway (Fairbanks Morse FMJ from an Allis Chalmers). So, I bought a brand new Wico XH since I was sick of jerking around with this thing and it is out in the middle of nowhere. The new mag worked great for a few weeks until winter came and I put it back in storage. Come this spring - no spark again. Yes, brand new mag and points got oxidized. So pulled this one all apart, cleaned them up, got it running. Used it for a few weeks and the coil went bad in the Wico now. So I just got a new coil for $70 and now it is running good (for now). Maybe the quality of parts are not what they used to be? I ran it five days straight building roads in the Michigan UP. Running great but I want to do something to make it more reliable. I am wondering if anyone has coverted a mag to breakerless? Seems if they do it on lawn-mower engines and chainsaws, there ought to be a way to do it on one of these self-contained mags. I do NOT want to "reinvent the wheel" though. Hoping to find someone who has already done it.
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Today's Featured Article - A Cautionary Tale - by Ian Minshull. In the early 1950s my father bought an Allis Chalmers B and I used it for all the row crop work with the mangolds and potatoes, rolling and the haymaking on our farm. The farm and the Allis were sold and I have spent a lifetime working on farms throughout the country. I promised myself that one day I would own an Allis. That time event
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