Hey gang, quick but stupid questions. I just finished all my spring service (also my 50hr service) on my BX2370 except one last thing I wanted to run by everyone. My manual says to use SAE90 weight on my 60" gear box when changing the fluid. Is SAE90 the same as 80w-90? I cant find anything that is just sae90 but I know ive seen SAE30 weight motor in the past so I wanted to see what you all use and make sure I don't need to keep searching for something different. If 80w-90 is ok I plan on using some walmart stuff I already had on the shelf. It says on the bottle It meets the gl5 criteria so I assume its fine if the 80w90 is ok