I've made a little progress on my blower drive. A local machinest made this adapter up out of aluminum. It bolts into the existing Y balancer using a longer center bolt and the two add on pulley bolts. It is a cone shape to clear the sides of the balancer and allows the use of the standard available supercharger belt pullies. This setup would also work with the single belt damper. The machinest said he could make more if anyone wants one. As far as I know this is the only Y-Block blower drive adapter on the market today! Chuck
First the cone shaped adapter:

https://scontent-b-lga.xx.fbcdn.net/hphotos-prn2/v/1471871_10151796722231527_228847209_n.jpg?oh=04cbaf2704170f1cbc5544c4e3a0923a&oe=52927DB4

Then the adapter with balancer:

https://scontent-b-lga.xx.fbcdn.net/hphotos-prn2/v/1451357_10151796722926527_1249434774_n.jpg?oh=6ce97aa03bba4bc73ffa3b10c8c52762&oe=5291EBE6

And the adapter with standard blower pulley mounted:

https://scontent-b-lga.xx.fbcdn.net/hphotos-frc1/v/580613_10151796722506527_1038473701_n.jpg?oh=89a26df9f7228cca76c6e01cddbba34e&oe=52920D0F

Y's guys rule!
Looking for McCullouch VS57 brackets and parts. Also looking for 28 Chrysler series 72 parts. And early Hemi parts.

MoonShadow, 292 w/McCulloch, 28 Chrysler Roadster, 354 Hemi)
Manchester, New Hampshire