Ok, we just returned from our first trip, pulling the auto hauler trailer, with the motorcycles and FJ Cruiser. Even putting the water jugs and spare tire up on the tongue, I was only able to get a tongue weight of 625lbs. For 10% I needed right at 700lbs. The trailer pulled very well, until I got above 65 mph and then I started to get a tiny bit of sway. We got home safely, but I promptly hit Craigslist and found a 1,000 lb Equalizer hitch for $250. It was an older unit that had rust, but very little wear/usage. I tore it down today, used a wire brush and sand paper, but have it ready for fresh paint and new hardware.