Sud/Sprint/33 Lounge Winner 09
Join Date: Oct 2001
Location: United Kingdom
Re: Boxer Engine Oil
I use a 15W50 mineral oil as stated on the spec label/sticker on the bonnet. The grade of even mineral oils now is far superior to when the car was made 20+ years ago. However, my Sprint is not used during the winter, so having a slightly thicker oil is not a concern.
Last edited by Greg; 08-01-08 at 18:57.