I have many uh,, experts telling me why and what they are using for oil.... So tell me what to put in the Shocks Rear Axle Transmission Steering Box Lets say we are working on a 29-30 Cadillac - 28 Packard - 29 Auburn and a 26 Willys-Knight Yep I do have my own opinion, but we all have opinions… Tell me yours!