Jan 3, 2008 #1 B birel21y Active Member Joined Dec 17, 2007 Messages 559 Reaction score 0 Friction Modifier in a T-5 trans??? I know you use it in the rear diffs, but someone told me this could help with shifting smoothness? Im not sure.
Friction Modifier in a T-5 trans??? I know you use it in the rear diffs, but someone told me this could help with shifting smoothness? Im not sure.
Jan 3, 2008 #2 2 2plus2 New Member Joined Aug 11, 2007 Messages 21 Reaction score 0 I never have, just use a good trans fluid. I use royal purple, works great for me.
Jan 3, 2008 #3 S slowco95 New Member Joined Oct 5, 2007 Messages 34 Reaction score 0 i have never felt the need to use it. royal purple ftmfw!