It all comes down to personal preference, whatever you feel works for you then go for it. :sSyn3 in Engine
Belray in Trans
Syn3 in Primary Case
I notice may folks run 3 different oils. Any particular reason?
Shell rotella for me 100,000 miles and still going great !
and thats what the primary get's too.
Question, what oil/filter would you recommend for a '90 883 w/35k miles?
Thanks,
Jim