I run LE oil in everything! I have 1605 in both my diffs. I don't know what experience you have with Lubrication Engineers, but it is awesome stuff. One of the great things about their gear oils, is that they do not mix with water. I have a drinking bottle of water that has about 2" of 1605 and 2" of water in it. You can shake it up and the 1605 will coat and protect the plastic from the water then when you set it down it almost instantly separates. This has been in the bottle for over 2 years and still has not gotten milky or tried to mix at all. I personally believe it is the best gear oil you can get.
Their Engine oil is great as well. I have 2 fire department ladder trucks that have had it in them for about 20k miles (probably close to or over 2000 hours) and so far the samples still return good to keep running the oil. that is about 6 times or more longer than the chevron delo 400 oil was able to be run.
No I don't sell the stuff, I just really believe in the stuff and have had great success in using it with a whole fleet of vehicles.