Let's talk air bags...
My 1999 7.3 dually has airbags installed by the previous owner. I've generally not bothered to inflate them unless towing a trailer with my Bigfoot camper (4000lbs loaded). Today while driving on Cali...
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I had simple Firestone airbags that were not connected. The bags sat on the top of the axle and were compressed from above by the frame.
The RV dealer did the initial install and set them to about 50#. I had to drop the pressure way down to suppress some of the sway. Later I stopped at the Northstar RV factory and the owner took a look at them. He set the left side to about 45# and the right side to about 50# claiming that a little slant was best for highway driving due to the crown of the highway. A drive across the parking lot was clear enough and I again dropped the pressure to about 10-15#. I cannot say the ride got stiffer at high pressures. Instead it was more like driving a vehicle with no shocks even though my Ranchos were max'd out.
Anyway, the issues were resolved. My old truck did well with the Supersprings and my new truck does well with the Timbrens.
The RV dealer did the initial install and set them to about 50#. I had to drop the pressure way down to suppress some of the sway. Later I stopped at the Northstar RV factory and the owner took a look at them. He set the left side to about 45# and the right side to about 50# claiming that a little slant was best for highway driving due to the crown of the highway. A drive across the parking lot was clear enough and I again dropped the pressure to about 10-15#. I cannot say the ride got stiffer at high pressures. Instead it was more like driving a vehicle with no shocks even though my Ranchos were max'd out.
Anyway, the issues were resolved. My old truck did well with the Supersprings and my new truck does well with the Timbrens.
