Fluids....

I think it should be ok to go synthetic...but you'll probably have to run it from then on out even if you change it in the future..unless you change the seals. For some reason synthetics make your seals swell and then they wear to the new position and they'll shrink back if you go back to conventional. Same with engine oil. I currently use Autozone brand conventional Aft4+ in mine ..but I haven't done a trans filter yet either,so it still has the convention in it.