[springs fastest alero]

I'm guessing he has a large check valve on the intake because its hooked into the outlet of the sc in the pic
the inlet feeds off the fenderwell it looks like.

as for free power. do you people not realize that the alternator draws power and a larger alternator will draw more power?
yes maybe not as much as a regular sc but it still draws power.

what is he using for motors?
they look like starter motors and I can tell you that even in those short burst your not going to get a high life span out of the motors.
using 3 motors also causes a problem
there is no possible way to ballence even 2 motors exactly alike so you have 3 constantly working against each other.
also a eaton m62 in full dress for our car weighs over 40 lbs. strap 3 motors to the front of it and the weight will jump more
I'd belive closer to 60-75 lbs for an electric sc head unit on our car. plus batteries and such.

another thing not addressd is fuel
with added air you need added fuel. how is he going about this?

for what this thing is doing its on the same level with nitrous not superchargers.
and you can gian more power in a smaller, cleaner, ligter packege with nitrous.

like he says if its not for you then its not for you.
personally mine will stay belt driven