Quote Originally Posted by UselessPickles View Post
Smaller pulley is for higher elevations. Thinner air requires faster supercharger RPM to create the same amount of intake manifold pressure. Boost is relative to outside barometric pressure, so at higher elevations, you need more boost to get the same intake manifold pressure.
Sooooooooooooooooooooooo if you put a high elevation pulley at sea level....Your jeep is even faster?