For years, literally years and years, I have been frustrated over and over again when setting up timing on our L series engines. Whether it’s a fresh engine setup, or after removing and replacing the distributor drive shaft after routine maintenance, I’m very often off by one tooth. “So what” I proclaim, I’ll just adjust the timing by rotating the distributor a bit more. But nope, the slots in the plate are never long enough to allow that.  Or I have a custom setup and need to put the distr