i was thinking that with 4agze pistons and aftermarket EMS, you wouldnt even need a pully upgrade as you are spinning the charger faster at the higher engine speed. though i am somewhat of a power junkie and would probably end up trying it anyways.
although without the need to upgrade the pully, it might be advantageous in not swallowinging gynourmous amounts of fuel that some of the pully upgrades have been noted to do.
steve.