I would love to have a billet crank piggyback sleeve with interchangable billet pulleys like these guys have...
http://ngmhouseofpower.com/product_i...roducts_id=143
I don't have the math skills required to figure out how much bigger the crank pulley would have to be to provide 6 lb boost, but the whole billet/interchangable thing has me thinkin'......