So I think my tranny is doing its best to get retired. Slipping bad, not staying in gear, etc. Only have 126k miles on this POS. I'm gonna go get the tranny flushed/etc and the oil changed, hopefully that fixes it. But if it doesn't, anyone have suggestions of a Tranny shop that isn't gonna completely screw me in the OKC area? Truck is a Chevy Silverado if that's necessary for finding the right shop.