Next time I get engine oil from my local Schaeffer dealer, I'd like to pick up some of their gear oil for my front and rear diffs. There are so many different gear oils made by Schaeffer, I'm not sure which one is right for me. I have a limited slip and don't tow much now, but I would like to get a pop up camper next year, and I think I'm gonna give sled pulling a shot this summer.