Limited slip or open?
Champion
Joined: Feb 2005
Posts: 3,710
Likes: 2
From: Skagit County, WA
RE: Limited slip or open?
That really depends on your truck. Look at your option codes or on the axle itself to see if it is marked.
If you use a synthetic gear oil most of them already have the additive in them.
If you use a synthetic gear oil most of them already have the additive in them.