rear dif. oil

[butch]

Ok just pulled off my rear dif. cover on my 65 w100, and need to put oil back in what weight do I use..I'm thinking 75-90??

 

[bremereric]

That will be fine...if you don't want to run a gasket and maybe have a leak use that Permatex Right Stuff gasket maker...works good...a little goes a long way to.