Why does Ford recommend 75w-140 where they used to recommend 75w-90 for the 8.8?
JTGrant New Member Aug 2, 2005 775 0 0 GA Mar 27, 2006 #1 Mar 27, 2006 #1 Why does Ford recommend 75w-140 where they used to recommend 75w-90 for the 8.8?
JTGrant New Member Aug 2, 2005 775 0 0 GA May 5, 2006 #3 May 5, 2006 #3 I have searched and searched and found nothing.
