To me the concept of a super charger on one of these engines is a bad idea!
If you have ever pulled a motor apart you will see the exhaust port and intake port are on the same plane!
Now a super charger forces air to make boost, so to make 'boost' you need a seal between the piston and sleeve. When the piston is at BDC and the intake port is open to allow the fuel air mixture into the chamber if you have a super charger forcing air into there it will just blow it straight through the chamber back out the open exhaust port! So there is no time for the super charger to make 'boost' so in my eyes it wont work.
I could be completly wrong here so if someones knows better please chime in,
but this is how i see it working anyways.