Cheers for the reply, I have had a little search for info it looks like it is a 50/50 thing some people recommend gear oil saying it is better for the gears especially for cars that get used hard, but then some say that gear oil is to thick for the lubrication of the bearings same with anything really always a divide in answers when you goggle anything you never a definitive answer.

think I will stick with the atf, Now with the next dilemma Dextron 2 or Dextron 3