Hey brother;
I can tell that the mechanicals advance time based on rpm's set by weight and spring tension (the curve) and vacuum, due to changes in engine load and rpm's AND that the average street engine needs a combo of the two.
Now as far as the "Juice" goes, you'll have to wait for one of them to come along (I'm a blower dude, backyard budget style with a redneck twist and a shot of Corona, with lime of course.)
BOTTLES ARE FOR BABIES, REAL MEN GET BLOWN!