Just checked the rev limiter's current setting........turn key on and "the tach will display the value for 2 seconds." My tach displays zero, and the needles initial mocement is towards a negative number.
I'm guesing that budget AutoGuage tach is not compatible with the new distributor.
Time to confirm tach wiring..........I can just run the lead to the negative post on the coil instead of the gray lead off the distributor.
It would be nice to just install this: