[Subscribe to Daily Digest] |
I must be out of the loop on this Mobil1 OW40. I've always used Castrol 5W30 in my 86 900S. What am I missing here?
No Site Registration is Required to Post - Site Membership is optional (Member Features List), but helps to keep the site online
for all Saabers. If the site helps you, please consider helping the site by becoming a member.