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Originally Posted by seanm@stillen

Prochargers, Vortech and Paxton are centrifugal type superchargers.

Magunson , Whipple, and Kenne Bell are positive displacement type superchargers.

The quick differences between them are that positive displacement will make more low end power, while the centrifugal make more power higher in the rev range.

Each type has its positives and negatives, and it depends on what your horsepower goals, and how you drive the car to better get an idea of which you may prefer.

Good info!