Thread: 10w30 motor oil
View Single Post
Old 02-21-2000, 05:33 PM
Al M.
Posts: n/a
I was wondering if it was safe to use 10w30 motor oil on my 87 420sel. I live in the dallas area and I had used 10w40 in the past.
I don't have an owner's manual so I don't know which is oil types are used during the year.

Reply With Quote