I had them rebulid my c4 which is for my 69 mustang that has a 472 small block. The tranny was done once by another shop and it never ran right from day one. After a year my tranny was worthless. So I took it to ATL certified to have them rebulid it to handle all the horse power my engine is putting out. All I have to say is thank you so much!!!!!! Now my car is running the way it was bulit to run.....
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