ATO Performance

I've driven my Ram 19 years and 200k miles worth of amazing places. Thanks Jim for your great knowledge, and honest service rebuilding my 48RE. The transmission works like a dream and I'm back towing with confidence...Brian.

Awesome... Jim is the real deal.

Jim is a true expert and craftsman. Only place to go if you need a transmission you can count on.

Great customer support way beyond the initial service. Jim built are trans over a decade ago and still takes our questions and lends advise as we make mods to the car. Top notch!

Went to Jim with my 03 Ram 2500 4x4 with a 48re. I use this rig primarily for towing an 8k trailer. Money well spent. My new trans will certainly outlast the truck. Pulled the biggest of grades in Wyoming without a problem at all. You will not find this quality and customer service anywhere else. Especially after a tour of his shop. My jaw was literally dragging on the floor and it didn't matter cause his floor is as clean as a floor in a surgery room. I waited about 6 months to post my review as I wanted to put this new trans through some serious work. It performed every bit as good as you said it would Jim. My hat is off to you sir. You are truly a man of your word. I never realized h…