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We had Airlift brand airbags on our 2500HD with onboard compressor. Loved it. We were pulling a Montana 3295RK. I like the compressor because I could hook up and pump to level or about 45 psi. As soon as I unhooked they were deflated to 5 psi. The ride in an empty truck with the bags inflated is to rough. As Charlie said, if you have the bags inflated with the trailer on, the will drop in pressure to about 20psi as the trailer is unhooked.
When we got the Cambridge we found the pressure need to be about 65 psi. But, the short legs on the Cambridge made hook up on unlevel ground somewhat problematic. Now I can use the onboard compressor to adjust the height of the truck to assist in fine tuning the hookup. Neat.
Have not installed them on Bubba yet. Want to try it out first. then we will see.
Dave
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