Mr. Gibson:
Like it's been said look at the equalizers and make sure they are level. Rememeber when the bolt end goes up to its limit and hits the frames rail there is a sudden stop and that transfers into the unit. To the TV, ref,glass ware... ... ... you see what I mean. Mine rides about a 3 degree angle to the rear with 6" of bedrail clearence,going off road at NASCAR tracks, with no problem. The only reason I haven't flipped the springs is I don't want the trailer that much higher off the ground. If I go with 16" wheels I'll do that.
Best of luck.
Preston
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96 3500, Black SLT, 5 speed, turbo diesel, , with US Gear overdrive, Rhino liner, Reese 15,000 lb. fifth wheel hitch, US Gear de-celarator exhaust brake, muffler elimination kit, Amsoil lub. , Mag-hytec rear cover, dual-remote by-pass filters, and Roadmaster Active system