Originally Posted by jabrabu
No, I haven't weighed mine, but I've seen weights posted for similar floor plans. I agree, they are usually at or near the rear axle limits. I think increasing the spring rate at the rear and maybe a bit of rear lift would be helpful.
Sometimes: it's not the springs that are the limiting factor.
Axles also have load limitations. You can sometimes "Cheat" on them, by adding an axle truss.
(But I didn't say that...