Was going to order a new steering cable for my older bass boat and decided to get a newer steering system but I cant find anywhere the kit comes with cable but I need to know the thread size on the steering cable to the motor and getting different answers alot say there the same on most motors but no one knows the actual thread size and pitch can I get help with this so I order the correct cable kit says M66 but not sure if thats what mine is help plz 1979 Mercury 150hp steering cable nut size ????