C Cory New member Feb 16, 2010 #1 i have a C-6 automatic in my 88 f-250 7.3 diesel. yes i love the C-6 tranny, good and tough. but it sure sucks the fuel. I want to put a 6 speed manual for a newer 7.3 powerstroke in my old 7.3
i have a C-6 automatic in my 88 f-250 7.3 diesel. yes i love the C-6 tranny, good and tough. but it sure sucks the fuel. I want to put a 6 speed manual for a newer 7.3 powerstroke in my old 7.3
