has anyone ever tryed one of these?had one on a c6 and liked it and just found these while looking for something else
E4OD 4R100 5R110 5R110W Derale Transmission Pan Cooler: eBay Motors (item 360287305933 end time Sep-03-10 06:47:59 PDT)

 

Two gallons over stock capacity? That's a lot of extra fluid and also a lot of money. I had a deep dish pan from BD and all it did was leak, to much weight I think. I finally just got a 4by4 pan with a drain plug and it hasn't leaked since. I'm not trying to talk you out of it and the theory behind it sounds good. If it helped your C6 then it might be good, I personally wouldn't want one.