tom, comparing your coach to other vehicles is not a valid comparison. Evap size, condenser performance, compressor performance all come into play when trying to compare.
Sure your coach isnt as good as the other vehicles....but all that is telling you is your coach doesn't have as good of an AC system
For a true comparison, you must compare your coach to another coach identical to yours that is known to be functioning properly.
All AC systems perform differently from different manufacturers....sure they all SHOULD(in theory) cool great and make ice cubes...but they don't
96 Dynasty 36' that does NOT wander, thanks to RuppParts.com and their superior "poly" suspension bushings