Need a lift? Yup, sure do!
I used a sawzall to cut the vertical supports and a cut-off wheel on a 4.5" angle grinder on the sheet metal in the rear and roof.
I used a couple auto floor jacks to do the muscle work, and couple 2x4s thoroughly screwed together as a jack extension. the roof isn't actually all that heavy, I was able to lift in an inch or two doing an overhead press.
The most important aspect of a roof lift is keeping everything lined up and stable. This is what I ended up with. This is 1" threaded rod inside of 1.25 square tube. Can't recall the gauge, maybe 14ga
I used 4 of these screw supports in total. The process was: jack a wee bit on one end, spin the nuts to remove the slack on the all-thread, go to other end and repeat the process.Took less than 30 minutes to go up 18"