Great info. I think my mileage #'s are within reason to yours....usually a little lower. I am getting to replace the intercooler on mine since it was damaged by a flying object. I don't expect much drop in EGT's from it, but while I am in there, I am installing a Snow Performance water/methanol injection kit. I don't really care if it helps any with mileage, but will start a thread to chronicle what I see the impacts on EGT's are.