Why Does Supercharger Slow Down

http://louisdmss928.angelfire.com/index.blog/1636301/will-whipple-superchargers-perth-yella-terra-ever-rule-the-world/

Lots of argue that the supercharger is more dependable, however we have good luck with our turbo cars and trucks and understand they need more upkeep which we are perfectly ok with.