Thread: What Oil in a cosworth
View Single Post
Old Sep 7, 2005 | 08:40 AM
  #38  
oilman's Avatar
oilman
Advanced PassionFord User
 
Joined: Aug 2004
Posts: 1,553
Likes: 8
From: southwest
Default
Sadly the Castrol RS 10w-60 is not fully synthetic either, the RS0w-40 is though.

To help with clatter, a good 10w-50 synthetic should be a good start.

Cheers

Simon.
Reply
0