(((Update))) we bought it / 1995 Lance squire lite 185

specta wrote:


The trucks are designed to set level when loaded.

That depends, my 2017 F350 dually with close of 7000 lb payload on rear axle still needs 2" planks under front wheels to be level.
I think when Ford changed from steel to aluminium body, they still used same springs they used for heavier bodies.