Im planning on getting either a return style fuel system to run e85 with my 2.8 Kb and smaller pulley or get a 3.6KB and run it on pump gas with torco. Goal is make high 700's to the wheels, i would be happy with 750rwhp too but no less than 750:nono:. I would have to sell my 2.8 kb first then i could get the upgrade 3.6kb kit. Just wanted opinions any 3.6 kb owners...