Quote:
Originally Posted by brucelidat
Stock kit installed and tuned by seb at specialty z. I think I'm making 9 lbs.
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You should be able to run the Si impeller and the 9lb pulley without water/meth. I ran both of those on Topgunz's gen 1 kit tuned by Seb. 488whp on the Sci and 8lb pulley that you're running right now is a great number on 91. You should do real well with the impeller and pulley upgrade