Yea, I wouldnt use B-Spec Bob for anything but endurance races longer than 3 hours long. I'm just too lazy for long races. But short races are easy! You're better off driving yourself, that way you get better. B-Spec Bob will never be better than you. But if you like using Bob often, train him in the family cups or easier races, also endurance races. While training him, you'll want to up his battle skill, so dont leave overtake on for the entirety of the race, just let him learn to stay behind people by turning off overtake for awhile while hes behind someone and hes obviously goin faster than they are.