Oils vary from brand to brand. So, you kind of just have to pick one and stick with that brand. I use mostly associated oils. They list them in cst and wt. I know their 80wt is listed as 1000cst.
Some people like sway bars, others don't. For what I do, I don't usually run them. I took them off my outcast, more because I don't like dealing with them being in the way when working on the truck than anything, and with how I bash, I don't really care if there's a bit of sway. Then on the rear...