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 - Ford Part Number Trivia - by Forum Participants. "Replaced by" means the part was superseded. All of my part books date back to 1964 and New Holland have changed some part numbers. They usually put the old Ford part number on the package. I was suppressed when I looked up the part number of the auxiliary drive shaft because for some reason the part number went through a radical change and it lost its "Basic Part Number". Ford part numbers follow the following rules. Most part numbers are in three parts. The middle part is called the
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