hey guys thanks for the replies. I don't check this forum too much, maybe i should!!
JSM i think i do need the square ports. Not sure the round one would be too efficient. However, I am open to try it depending on price.
Chris, I'm always on ebay looking! Just can't seemed to find one in my budget. I'm trying to be economical as possible right now, and put on something newer/nicer down the road. My Z has a LONG, LONG road ahead.