john zappia was working on one (electric)
48v 4 batteries in back
landcruiser starter
5:1 belt drive
####ing big turbo compressor housing

just use bearing housing from same turbo you got compressor from plumb it up and go
make pulley for turbo shaft and get it balanced by a turbo reman place
gears will be mega noisy unless you make them helical cut. chain ? i dont think they will take the speeds your talking about.
dazza