Okay I am reading the manual (which every new owner does right? hehe) well I came across the section that says "use a minimum of 87 octane". Okay even my 04 R6 said to use premium fuel of no less than 91, why is it different for the busa? I am only gonna run premium in the busa, just kind of curious. Its faster, bigger, and has more power, yeah its getting 93 only.