Thanks for all the positive posts! I'm going to look up the specific data on the air lifts to help out. I guarantee you'll need some fancy spacers. Just to review, you're going to replace your stock shocks with Air-Bags to help with the over-loading?
Some thoughts on the disconnect: What about...
Its 80lbs. I was lifting an 85 lb security door today. It can be done with one person, but two would be better. I'd get the rack on first and then shimmy the tent on top after the rack is mounted. :)