what kind of tranny fluid should i buy? my tranny is acting up on me recently... Grinds like a motherrr in 3rd n some in 4th...

redline mt-90 ?????? where do i buy it and how many quarts?

does anyone want to do it for me lol?? i never done this before and i dont want to f up my car.. its a First time for everything??? i'll pay u a whole meal at mc donalds.. ( not supersized lol )

i gotta change my tranny fluid pretty soon.. hoping to change by this weekend. let me know thankss