Pretty simple... Crawl underneath the back of it and look for CV Axles
going out towards the brakes/wheels...CV Axles have two rubber
boots, an inner and an outer, and a bar (the axle itself) running through
them. Crawl underneath the front as well and look for them.
As far as the supercharger goes, it's a roots-type, which is very
common in factory-supercharged vehicles (like the Pontiac Grand Prix
GTP, or the Chevy Cobalt SS/Saturn Ion Redline).. Eaton is the most
popular manufacturer for OE superchargers (used in both the vehicles
above)...
So, on the guess that it's got an Eaton-made Roots-type
Supercharger, I know you can buy the oil from Chevrolet/GM
dealerships.
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