I also had the Koni shocks and Saf-T-Plus steering stabilizer installed (after having the alignment checked), and felt that there was a significant improvement in handling. With regard to tire air pressure, my dealer had all of the tires set at 95 psi - this was what was on the sticker inside the coach on the driver's side.
I felt that the ride was a bit harsh at 95 psi, so I had the coach weighed on all 4-wheels. Here’s what mine came out to be (fully loaded, with full tank of gas and water):
Left front: 3380 lbs
Right front: 3360 lbs
Left rear: 6140 lbs
Right rear 5660 lbs
Total front: 6740 lbs
Total rear: 11800 lbs
Total vehicle weight: 18540 lbs
We then went to the Goodyear tire charts. Based on my weights, it was recommended that I run 80 psi on both the front and rear tires (and not the 95 psi that the RV dealer had them set at). I was told that I could go as low as 75 psi if I was still not satisfied with the ride. I’ve got to tell you that the new psi made it a much smoother ride, so the money spent on the 4-wheel weighing was well worth it.
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