If your truck has the OBS system them you might want to rethink changing the springs. The system uses spring rate as part of the calculations to display payload.
That's true there were issues for some of the first Gen trucks but they were fixed with a frame reinforcement while using the same jounce bumper. Yes hydraulic jounce bumpers are used in non-OEM off road applications but they would never meet OEM requirements. That's almost like saying because...
Cost and NVH are the reasons not to use hydraulic jounce bumpers. The yellow jounce bumpers are not rubber they are made of closed sell foam. Also they do a great job of slowing the axle down to keep from going metal to metal, there is a reason they are used by every auto manufacturer. In the...