Yesterday I exchanged my motor for a motor I got for free some handout nd it makes my car go faster. Heres the thing. When I go full throttle down the sreet my back wheels bump up and down and it seems to slow my car down alot and at a certain speed the wobbling slowly turns my car. This is a offroad evader st with gladiators in the back. I tried tightning he wheel on several times but it still wobbled. Can anyone help me? Whats the problem???





Thanks Shredder111[>:]