An update: the wheel sizes makes a difference. I'm going to check the code 83 piece of track i have to see what the gague looks like on that. So i bougth some reboxx 36" metal wheels.. can we say LOOOOOOVE.. this is why people need to be rich, becuase they make stuff like this.. I need to start playing the lottery so ic an afford to replace all my wheels w/ these wheels. They are awesome!!!! Oh and they bring my cars up to the correct height.