To make your car as strong as a train you must do the increase wheel cheat. But the cheat olny works one time, so reload a currently saved game and type in the increase wheels cheat untill this happins at least four times or more. This cheat will enable you to take a Banshee,Stinger,Commit,Sabre Turbo,and a Deluxo and rip through traffic like it is a piece of paper! Note this cheat will olny if Tommy is in the following cars, a Stinger, Banshee, Commit, Sarbre Turbo, or a deluxo.