how can i tell if i have limited slip? - Ranger-Forums - The Ultimate Ford Ranger Resource


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Old 07-10-2007
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how can i tell if i have limited slip?

ok im door code says its open but when im drivin it offroad both wheels spin? is it l/s or what im confused?????
what really doesnt make sense is that when i power brake only one wheel spins so that would mean is an open axle right? can anyone help me??
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Old 07-10-2007
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1. Look at your door code and then find your door code on this sticky:
https://www.ranger-forums.com/forum2...ad.php?t=37149

2. jack up the rear and spin the driver side tire foward.....if the passanger side also goes foward, then you have a limited slip...
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Old 07-10-2007
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to check if it is open: you lift the wheels off the ground and spin one by hand... One while turn one way and the other will spin the other way....

If it is L/S they both turn the same direction.
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Old 07-10-2007
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Quote:
Originally Posted by lifted97ranger
1. Look at your door code and then find your door code on this sticky:
https://www.ranger-forums.com/forum2...ad.php?t=37149

2. jack up the rear and spin the driver side tire foward.....if the passanger side also goes foward, then you have a limited slip...

Damn you again!!!
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Old 07-10-2007
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ha ha ha ha!
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Old 07-10-2007
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Quote:
Originally Posted by lifted97ranger
1. Look at your door code and then find your door code on this sticky:
https://www.ranger-forums.com/forum2...ad.php?t=37149

2. jack up the rear and spin the driver side tire foward.....if the passanger side also goes foward, then you have a limited slip...
ok ive done that before and both spin, but why does only one spin while power braking

and the door code says its an open axle but i bought it used this year
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Old 07-10-2007
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Quote:
Originally Posted by doc
to check if it is open: you lift the wheels off the ground and spin one by hand... One while turn one way and the other will spin the other way....

If it is L/S they both turn the same direction.

both spin the same way, but why not when power braking??
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Old 07-10-2007
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U think those codes work for MAzda B3000?
Cause I have a 10 Bolt, what i think is a 8.8.. and theres no way in Hell I have limited slip..
One wheel peels all the way.. unless i nuked it with my 22's.. LOL
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Old 07-10-2007
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In more search to what rear end i have.. I crawled under the truck and read the tag.. it read.. 3L73 75 and some other number...

So to my knowledge i have 3.73 Limited-slip 7.5 Ring gear?

But there's no way in hell I have limited slip in my truck.. I took her to the track this weekend.. she only spun one wheel with a brake tourqe.. Is this bad? can i get a clutch repair kit? do these things have clutch LS in them? AH!
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Old 07-10-2007
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Quote:
Originally Posted by Jonno
In more search to what rear end i have.. I crawled under the truck and read the tag.. it read.. 3L73 75 and some other number...

So to my knowledge i have 3.73 Limited-slip 7.5 Ring gear?
by what you say the axle ID tag says, you have a 7.5 axle with a 3.73 gear and a limited slip........

Quote:
Originally Posted by Jonno
But there's no way in hell I have limited slip in my truck.. I took her to the track this weekend.. she only spun one wheel with a brake tourqe.. Is this bad? can i get a clutch repair kit? do these things have clutch LS in them? AH!
yes you do have a limited slip......HOWEVER the clutches could be worn in the limited slip unit and need replaced.....you can get a clutch replacement kit from Ford for roughly around $50.....then soak the clutches in 75w90 Synthetic gear oil over night, then replace.....then fill diff with 75w90 synthetic gear oil.....with synthetic gear oil, there is no need for the friction modifier...
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Old 07-10-2007
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Woot! Consider that done!
THX!
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Old 07-10-2007
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I think my 07 may have L/S becuase yesterdy I left 2 good black marks for about 10-12 ft. I'll check on that door code and what not just to see, thanks for the info Maurice!
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Old 07-10-2007
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^ yay! 8.8 with 4.10's with L/S
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Old 07-10-2007
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I was laughing so hard, because I had tried and tried in my 93 ranger and all I got was a lil punny peel out sounnd, in this truck I got the full sqeal, oh I loved it, haha!!!
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Old 07-14-2007
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U guys think a 8.8 out of a 4.0L will bolt up to my 3.0L?
I want the 4.10 gears with limited.. and that's the 28 spline..
U guys have any idea what spline is my 7.5?
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Old 07-14-2007
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Quote:
Originally Posted by Jonno
U guys think a 8.8 out of a 4.0L will bolt up to my 3.0L?
I want the 4.10 gears with limited.. and that's the 28 spline..
U guys have any idea what spline is my 7.5?
yes the 8.8 will bolt up

7.5 is also a 28 spline, the only difference with the 8.8 is that the carrier is stronger

if you want stronger axles get an explorer axle (31 spline), but there are more modifications that are required to make it work on a ranger (spring perches, shock mounts)
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Old 07-15-2007
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well I found out I DONT have an L/S so after looking at summit, and browsing I found a Ford Racing L/S for about $130, thats not a bad deal...
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  #18  
Old 07-15-2007
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Quote:
Originally Posted by 07SPORT
so after looking at summit, and browsing I found a Ford Racing L/S for about $130, thats not a bad deal...
on Summits website you got a link to that sucker? i got my Ford Racing L/S from summit and it was $215...
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