it is simple, any one that has ever been to a wind tunnel test knows u get the right side and nose sealed to the track and the left side up as high as the rule will let u to let out any of the air...
yes and ump should be able to use tires other than hoosier, and in gokarts they have to run burris, almost every series has a tire u have to run. it is all about making the series money and sticking...