if i were to change my crank pulley to a 8 inch , what is the difference in the non-underdrive pulley and the underdrive pulley , which would have more clearance with the stock water pump? Will i need to change my water pump or what? I see on superchargersonline they sell both or they have a pulley package with supercharger pulley also for about $35 more with a 3.00 head unit pulley and a 8 inch crank pulley. I usually try and shift about 5800 , would that put me about the limmit of the 1000 ? (about 54000, i think with a 8 inch crank and a 3.00 pulley?) what would be my best bet on this? Just thinking of some winter upgrades. thanks , Rich
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