T5 Gearbox . ATF ?

[chris212]

About to change gearbox oil. I know this has been discussed before, whether to put atf in or gearbox oil, but have been reading on other T5 forums that it depends on if the 'box is w/c (world class) or non w/c. The w/c is specified to use atf, whilst the non w/c uses oil.
Does anyone know if all Griffith T5's fitted were w/c?
Should I use atf anyway?

[cjj799]

Dextron II ATF is what's recommended. I changed mine recently and I used Castrol Transmax Dex III ATf. Dex III supersedes Dex II.