castrol

I'm using VMX-M but it looks like it's no longer made as it's NLA from most auto parts stores here now. I last bought some a year ago for a gearbox and transfer case oil change. Seems VMX-80W is the replacement product? I know it's not the only suitable gear oil out there so what other...

So my 3B is using considerable amounts of Oil (details I'm photo) per week, Thing is I'm not noticing or smelling much burnt oil from the exhaust or any leaks. It seems to mostly be coming from the breather pipe. I wondering if switching to a thicker oil would help at all and also why it's doing...