Back in 1977 I bought a Toyota Corolla, black fastback (resembled the Ford GT), 20R 4 cyl OHC, 4 on the floor. Igniton was capacitor driven but not CDI. Rather than the points doing the switching, the points operated the gate (input) of a solid state device that did the switching electronically....good for a million+ operations with no contact degradation.
Current through the points was in the milliamps and not enough to burn off the crud.
Ever so often I'd be driving along and the engine would stutter and in some times just stop. I'd get out, pop the distributor cap and rotor, take a business card and run it back and forth between the point contacts a few times, put it back together and off I'd go......yepper, green crud on the card that isolated the contacts.
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Today's Featured Article - Experimental Tractors Article - by Danny Bowes (Dsl). Tractor technology appears to have nearly hit it's pinnacle of development. If you agreed with the subtitle, you are rather mistaken. Quite, actually. As a matter of fact, some of the technology experimented with over 40 years ago makes today's tractor technology seem absolutely stale by comparison. Experimentation, from the most complex assembly to the most simple and mundane component, is as an integral a part of any farm tractor's development
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