SUPERCHARGER TYPES NO FURTHER A MYSTERY

What co. and who is The person to talk to on the cam for your bbc,or can anyone propose one that works excellent for them?   the overall format of twin-screw superchargers is almost identical to the Roots-type. The only element separating the two models is The form of your rotors. In twin-screw superchargers, among the rotors is male, and the opp