[banzai79]

It's a passenger car, not a race car. The vehicle will be operating over a broad range of RPM and not pegged in at the powerpeak by a professional race-car driver. Therefore, the broader power boost provided by a supercharger is a perfect fit for expanding the power of the ECOTEC while keeping it an easy daily driver. It will also run a bit cooler.

 

[banzai79]

I doubt the parasitic loss from the pulley is any worse than the exhaust backpressure introduced by a turbo.