Locked advance

I'd like to toss this out there for input and discussion

I run an MSD Billet Dizzy with a 12 degree bushing. 26/28 in at 2500

I don't really see, since the Digital 6 has a 20 degree start retard, why you couldn't lock the dizzy at 34-38 range. The car is light, 4.10 gears and a [email protected] cam cut on a 112, and a 4500 stall.