motorad thermostat

How much horsepower gain from a smaller supercharger pulley.?

I have a 2002 Mustang GT with a Vortech V-1 S/C and wondering what kind of RWHP gain I would get with an upgraded (or smaller pulley) I can't seem to find this info ANYWHERE....not even on the Vortech website.
The engine is being rebuilt as we speak


well its hard to say its one of those things that you do and see what happens. you have to be careful though since the engine may not be able to handle the extra boost.

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