PowerStrokeNation : Ford Powerstroke Diesel Forum - View Single Post - friction modifier in differential?
View Single Post
post #4 of (permalink) Old 01-09-2011, 03:56 PM
PSN Local
KB3MMX's Avatar
Join Date: May 2010
Posts: 378
Thumbs up Re: friction modifier in differential?

Originally Posted by Sequential6.4L View Post
I got new mag-hytec diff pans for my truck and Im changing the differential fluid. The manual says 75w-140 for the rear and I forget what it is for the front but it doesn't say anything about using any kind of friction additive. Do I need to use any? if so how much? Im gonna use Valvoline fluid or maybe amsoil if I decide to drop the extra cash to buy it and go pick it up. thanks for the help
AMSOIL Severe Gear 75w-140 already has the additive in it, which will work great in both diffs.

-08 F350 CC/SB
-S475 Billet turbo with .90AR housing @49PSI
-Elite custom aged Head studs
-Elite Valvetrain upgrade W/ Colt Cam (stage2)
-Black Maxx with MCC custom tuning
-SUNCOAST BILLET transmission W/ Precision TC
-Air Dog DF165
-Caltracs traction bars
-Detroit Locker
-Amsoil bumper to bumper
KB3MMX is offline  
For the best viewing experience please update your browser to Google Chrome