what gearbox oil for alfa 6 speed box????

[alphalvr]

oil needs changing but i dont know what oil this box uses.
im guessing dexron 2 but could someone advise me before i proceed, kind regards

all alfa 6 speeds are the same so anyone who knows will do.

ps if theres a better oil if such a thing exists (sure it does) let me know

thanks again

[alphalvr]

i think ive got 75/90 oil bought 3 litres
i cant find the info for the alfa 6 speed anywhere, there musrt be a alfa driver with a 6 speed box on here who can help ??

regards