Lifting Starcraft trailer equipped with Torflex Axle

I successfully lifted my trailer 6inches this past winter for camping on the beach. We had a machine shop build a frame that was about 5-6feet in length for both sides and had it all welded back on and the trailer has been much better now we have 15inch wheels instead of 13inch it rides better and is the perfect beach bum trailer. It's an antiqua trailer with the torsion suspension.