Diff. fluid....front and rear
Dec 12, 2004 | 10:32 AM
Thread Starter
|
Elder User
Joined: Nov 2004
Posts: 699
Likes: 0
From: George West, Texas....
Diff. fluid....front and rear
I have heard the mfg,s use synthetic's in the diff.'s ..Was that true for the '99 F-250 4x4 ?
Dec 12, 2004 | 10:49 AM
Joined: May 2003
Posts: 9,301
Likes: 46
From: Lyndonville, Vermont
rear 75-140 synth
front 85-90 non synth. but use synth anyways.
Dec 13, 2004 | 10:50 AM
Joined: Aug 2003
Posts: 379
Likes: 0
From: maryland
i use amsoil synth in both
Dec 13, 2004 | 10:52 AM
Joined: Jun 2003
Posts: 5,643
Likes: 8
From: NE Texas
Quote:
Originally Posted by 99f350sd
rear 75-140 synth
front 85-90 non synth. but use synth anyways.
That and if you have a limited slip rear - make sure you get the friction modifier.
Dec 13, 2004 | 11:54 AM
Joined: Aug 2003
Posts: 379
Likes: 0
From: maryland
yea forgot to mention that sorry
Dec 13, 2004 | 12:43 PM
Thread Starter
|
Elder User
Joined: Nov 2004
Posts: 699
Likes: 0
From: George West, Texas....
So I can use Amsoil in both ?? The same weight ?? Or do I need different weights ??
Dec 13, 2004 | 01:12 PM
Joined: May 2003
Posts: 9,301
Likes: 46
From: Lyndonville, Vermont
The rear shoiuld have 75 140 cause its severe use. the front could have the same but the rear shouldn't have 80/90.