I have Bal locking stabilizer bars on my rear scissors and front landing gear which eliminates most movement. I still get some bouncing which is due to the up and down movement of the suspension. When I set up for more than a few days, I place a bottle jack under each spring equalizer (between the axles) and put enough upward pressure (maybe 1/2" lift) to eliminate the suspension bounce. This makes everything very solid.
Steve Rinker
Rochester, NY
2013 Keystone Sydney 340FBH 5th Wheel, 12,280 lbs loaded (scale)
2015.5 GMC Sierra Denali 3500, SRW, Duramax, CC, Payload 3,700 (sticker- not scaled yet)
Take my posts for what they are, opinions based on my own experiences.