You're right, Adamanderr. I have a 92 Thomas body we raised the roof on. I didn't notice the cant when we started because we hit the ground running so fast. When we got the roof up the 18" we wanted, what I did was weld my tubing to the top first. Like that the bottom of my tubing then had to be pulled in about 3". I just pulled it in with a clamp and then welded the bottom. I ran string lines at the top and bottom to try and keep things in line and there was still a little variance. (you can look at pics in our gallery). When I started the int. trim there is basically a 2" inward taper from bottom to top. Most of the taper being above 36" off the floor. I didn't taper my studs. And yeah it has been somewhat of a PITA, but that said, if you make a pattern at the start that fits your wall, with a little tweaking here and there you can use it all the way through. It's like everything else in this bus conversion process, some things are more work than others. On a roof raise I would think tapering your studs would lose you too much interior width at the floor and I imagine the taper on the frame is also structural so you probably wouldn't want to straighten it out even if you could. All that said, the taper is actually not that noticeable except where I had to taper the corresponding trim. Raise your roof! It's fun and worth it! I'll come help!
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