Help! Which oil grade?
#1
![Default](https://passionford.com/forum/images/icons/icon1.gif)
Hello,
I have a standard Sierra Sapphire RS Cosworth 4x4 (J) 1991 and have been using
Silkolene Pro S 10w-50, now I have just gone to order some more and the web page states it should be
Silkolene Pro S 5w-40
Can anyone comment on this please?
Thanks
I have a standard Sierra Sapphire RS Cosworth 4x4 (J) 1991 and have been using
Silkolene Pro S 10w-50, now I have just gone to order some more and the web page states it should be
Silkolene Pro S 5w-40
Can anyone comment on this please?
Thanks
![](https://passionford.com/forum/images/smilies/smile012.gif)
Thread
Thread Starter
Forum
Replies
Last Post