Difference between?

[PrjctLxEnvy]

ok so i have an MSD 6AL with a 2 step, and an MSD electronic, timing retard i got it all pretty cheap a while ago, ....is the MSD digital 6 basically everything all combined in to one box?

 

[dsblk93gt]

The MDS digital has a timing retard that you activate with a switch, you set it to whatever you want it to be on the box.