need diff grease/oil help on FLM bulks

[tha5150]

found a set on FLM combo bulks on ebay, put in my stock diffs and went through my 3rd set this weekend. ordered the aluminum diff cups from here on sat. and waiting for them to arrive.
DickyT has helped me out alot so far, but he doesnt have an eMaxx anymore and i want to make sure he is giving me the best advice. (he hasnt failed me yet)

what diff grease and diff housing lub should i use? he is saying 30k should do me good. i am a novice BL guy and havent been comfortable with driving through a set of batts without breaking something that i need to upgrade anyways. i got a set of 7 cell 4600 SPC's and havent went through a full charge of them yet. lol. kinda sucks. i break a diff or every time.

so whats this OFNA Green Stuff he was talking about? is 30k the best bet for me? i am on the road mostly unless he comes up and we go to a field somewhere to bash. i have road rage tires on, 4 red springs and 4 blue springs on big bore shocks. suspension is all the way out, low as possible. love it so far. but changing and adding these diff cups and grease will greatly change the handling. thats what i read.

help me out here guys. please.