A long thread, Junkman has some comments: Main thing on a touchless drive thru is do not wipe it down afterwards as there is still dirt on the paint and drying with a MF towel will swirl the paint etc...
http://adamsforums.com/forums/showth...?t=9570&page=6
Or try this, you would have to be able to spray under the car/truck...I do this but take the two buckets and wash pads for the two bucket wash and do not use the brush...
http://adamsforums.com/forums/showthread.php?t=8944
Or move to the south...??