Contour Enthusiasts Group Archives Forums General General Ford Recommends different oil?

yeah, what the heck. I put 5 qts in my zetec. It's been fine.

I knew there was a reason I've been using 5W-20 all this time. After reading so many posts on everyone using 5W-30, I was almost ready to switch back. I guess I'll stay with what I've been using all along. I must have read that article or one like it several years ago.
Karl