i dont work on cars too much i just know some book stuff like what redlines at what and what motor has this much horsepower and such but why is it that when i get on the highway or any street for that matter and go about 80mph or more the steering wheel starts to shake side to side a little bit then the faster i go the more it shakes do i need new tires or something or like alinment? this might be a simple question for some of you out there but i really dont know why if you could help me out thanks brian...