ahhh man your funny i needed that chuckel this morrning. iv yoused 3/8 brake line tubeing in past bends farly nice you can get it prtty close and you don.t need much rubber at all.. and i know 3/8s will feed a prety good motor. all ya what he said!! have fun and i like to here the wifes involved i know sum pretty good wemon racers.