front and rear differential
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New User
Joined: May 2002
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front and rear differential
I need to know if my differentials are posi or not. the door tag is worn and doesn't give the necessary information. but there are tags on the diff. themselves. is there something certain i can look for on the tags? and if i don't have posi, how hard would it be to install posi differentials??
(same gearing)
-Mattie
(same gearing)
-Mattie
Post Fiend
Joined: Nov 2001
Posts: 14,947
Likes: 6
From: Topsfield, MA
front and rear differential
Look for an "L" in the number. It will say like...3L08 3L55 4L10 or if you don't have limited slip...it will look like 3 08 or 3 55 or 4 10
Primary rig is NOW TOTALLED :-X23 :
95' F-150 EB 300/6 5 spd with 4" Superlift, MSD, Ram Air, Gibson Exhaust, 32" BFG Muds
Some pictures in my gallery.
Then theres:
88' F-250 Superduty 351 + c6
95' Mercury Cougar 4.6L V-8
80' E-350 300/6 and a
3 spd column shifter. Top speed, 65mph, Go Baby Go!
The newest addition to the Ford family is a 99' Mustang GT 4.6L
Primary rig is NOW TOTALLED :-X23 :
95' F-150 EB 300/6 5 spd with 4" Superlift, MSD, Ram Air, Gibson Exhaust, 32" BFG Muds
Some pictures in my gallery.
Then theres:
88' F-250 Superduty 351 + c6
95' Mercury Cougar 4.6L V-8
80' E-350 300/6 and a
3 spd column shifter. Top speed, 65mph, Go Baby Go!
The newest addition to the Ford family is a 99' Mustang GT 4.6L
Laughing Gas
Joined: Nov 2001
Posts: 807
Likes: 1
From: -
front and rear differential
Just to clarify, posi is a GM term, use limited slip (LS) instead. Installing one should cost you about $600-$900 depending on the type of LS and how much you pay for labor. The gears will have to be re-setup after installing a LS. If you got an ez-locker, you can do it yourself for around $300.
