hey I know im suppose to use 5w 15 but can I use 5w 30 or 10w 30 oil for cold climate?

 

i duno what the rb requires but u wana be thinner if anything in colder weather, not thicker..

 

yea, isnt it colder thinner, hotter thicker? plz correct me if im wrong. i am just a padawan. also, try www.rb25det.org. i am a member there too. just post it up if you cant find it there. its not that popular of a place but people do still go there and are helpful.

 

yes u r correct