I just bought 2011 Palomino Y-4120. Nice Pop-Up, but sits too low for backcountry camping and my hitch. I have Land Cruiser as a towing vehicle. I was looking online and saw that some people lift torsion axles with 2x4 steel tubing. Dexter has a "lift kit", but I have Al-Ko axle. Can I use Dexter kit on my Al-Ko? I currently have 175/80-R13 wheels on it. Did anyone upgraded wheels to 205/75-R14 or 205/75-R15? Can it be done?