wheelbase
 

hi guys im new here i did some searching and came up empty i got a 1991 mustang that ive been running for a few years at a dirt track car and they changed the rules this year i need to be at 103inch wheel base anyway i can get 3 more inches in my wheelbase

not easily, moving the k member forward will be very complicated, the rearend could be relocated further back with a lot of measuring and welding. but that would be the best way in my mind, you'd have to tube the back in an ass backward manner