I have done a lot of reading lately re: ST vs LT tires. I still think I might lean towards LT tires. If I do I will post my experiences. Here is what I am leaning towards
http://www.tirerack.com/tires/tires....R5V2&tab=Sizes
.9 inches less in diameter so the trailer will sit about 1/2" lower. I think that will be ok