Ford Powerstroke Diesel Forum banner
1 - 1 of 9 Posts

· Registered
Joined
·
53 Posts
I switched to full synthetic at 115K and I am at 120K now with no leaks. If anything I have noticed the truck running slightly smoother.
 
1 - 1 of 9 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.
Top