Yes, I did move the shackles inboard. My leaf springs are nearly flat, so the stock rear location was wrong anyway. I remember doing something fishy back there with a welder, but due to that being 24 years ago, I forget what it was.
Getting alongside the tank with those dual 3" cannons was a bit of a challenge, but centering the tank and rolling the tank seam was all it needed. I actually had a generous amount of extra room
