I had Brian from BTS do my transmission. Not local but very well known and has a warranty. Just my 2cents worth.

Brian

2001 F-350 Diesel 4x4 Lariat CC LWB SRW
BTS Transmission/Chip, CCV mod, 6.0 trans.cooler,
4" Silverline exhaust, Cold Air Intake Modification,
Pillar Mounted Autometer gauge's, Rough Country 2.5"
Leveling Kit.
2006 Honda VTX 1300