Are your coils like these? If so, there should be plenty used
ones "out there". Put an ad in the classifieds. Usually, these
old ones are still good.
Should be some on EBay as well. Here’s some, but say’s "no spark".
Mostly likely he didn’t know how to test them correctly.
https://www.ebay.com/itm/Johnson-5-HP-M … itleDesc=0
Attachments:
Prepare to be boarded!