UN1-013 Oil capacity.

In did a search on line to find the capacity of my UN1-013 which looking at a few Lotus sites appears to be 3 litres. Having filled it up should it be full up to the filler hole (i.e. a bit dribble out) or do you just put in 3 litres and thats it ?
The box doesn't sit totally level in my car which I presume would allow it to take a bit more than usual.
Hi Paul,

I spoke to Chris Cole from Mach One transmissions the other month about this subject and he advised me that the UN1 Box takes 3 Liters of oil and this should fill the box up to the filler hole.

Best Regards,