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Unless you have a reason to remove it, why would you? 73-80 do not separate as easily without loosening the fenders at which point you are going to be spending time fixing gaps and body lines. Not sure what year you have. So unless you have a good reason it's not going to save you any time or aggravation. If you are replacing the transmission, why are you pulling the engine or working in that direction. You can have your transmission out before you finish your second cup of coffee in a C10