Swanny, I've pulled a 3400 series with the same Chevy you have with the airbags installed for a few years now. No chucking, no bounce, no problems. If I had to do it all over again I wish I had a dually 3500 but the 2500 4x4 with Firestone bags has the suspension for my weekender needs. Now if I had a washer/dryer in the bedroom and all my cabinets full with a life's worth of treasures this would be quite a different response.
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