We just replaced our 5th wheel with a 29' B+. Most of the time we camp at State, County of National Parks which are often not level. My recent experience involved needing to raise the front and one si...
I guess if your wheelbase is around 4x your 48" level, you could measure the leveling error and multiply by 4 to get your block height. The trick is how to level when the coach is off level side/side AND end/end. Phil's link seems to address that, as does the three-point level discussion above.