if you put in a pre 98 dash, do u have to get a new speedo? i know you would need to get all the black trim and stuff.would you need to get the hvac ontrols or would the ones from the post 98 dash work? let me clear this up. what ALL would i need from the junk yard? say i have a 99 and wanna go pre 98 dash.. is there a list of parts?