I measured out how much further i would need to slide the brackets along the frame. I went with 1.25 inches, which i didn't have, because the bracket was hitting the car frame. So i notched it and welded in a piece, reinforcing along the inside of the bracket. I then notched my holes another 1.25 inches. I had plenty room, and i think an 1" would have been plenty. Now i just need to take it back off and weld in the extra long holes along the brackets.