If anyone is looking for a good shop in Arizona, check out Top Gear Motorsports.
They do it all, including best 4LxxEs transmission builds money can buy. Hundreds less than the big online builders.
They also do engine swaps, cams, internal work, gears....etc. Specializes in LSX
Just thought I would pass along their contact info;
http://www.topgearms.com/
Call Sean at Phone: 480-461-0240