How much stuff do you have in the back? The coil spring database shows that rear spring at 200 lbf/in and estimated at 330 lbf/in. Your experience suggests the spring is much softer than estimated.235 85 16
The rear spring rate is too low for big trips, it squats when loaded down. It will be getting the same helper spring setup as the blue one and losing the 1" spacer
View attachment 65650View attachment 65649