Finicky starting

70 Sport Fury
383
Holley 750 Street Demon
MSD-style distributor & wires
40k volt coil

Howdy,
Recently installed the above-listed items. While it generally runs and performs a lot better, starting the car is a bit more unpredictable and finicky at times. Seems I'm either turning it over and over after no pump or one pump, or flooded. no in-between.
The old Carter 2bbl, if anything, was very predictable upon starting and never flooded, whereas with this Holley I'm left guessing and paranoid...

Finicky starting
Author: B-Rode