Well hitting AZ, NAPA, and O'reiley I came up with a blank. they could not find the unit I requested.
Gave up and ordered an adjustable vac advance unit. I did find the specs for it on the Accell web site. It is pretty fast acting in that it starts advancing at pretty low vac and is all in by 12-13 in at max deg of advance. About 1/2 way should work for my blower motor. I'm thinking about 10 crank deg to start and maybe work up to 15. I'm sure hoping to pick up the mpg I've lost since busting the original vac adv.
I won't get to try it untill the week end however. I have senior baseball practice both days so I'm going to be pretty worn out.