Stock XJ Cherokee Tech. All XJ Non-modified/stock questions go here XJ (84-01)
All OEM related XJ specific tech. Examples, no start, general maintenance or anything that's stock.

Lockers

Old 01-31-2009, 04:51 PM
  #1  
Junior Member
Thread Starter
 
jeeperxj91's Avatar
 
Join Date: Dec 2008
Posts: 59
Likes: 0
Received 1 Like on 1 Post
Year: 1991
Model: Cherokee
Engine: 4.0 I6 HO
Default Lockers

This might seem like a really dumb question but why are lockers a good thing? From my understanding they essentially lock up the diff, ergo making both wheels go at the same speed regardless of turning. Am I right or wrong? If I am right why is this a good thing when wheeling?
Old 01-31-2009, 05:21 PM
  #2  
CF Veteran
 
nick_n_ii's Avatar
 
Join Date: Mar 2008
Location: Kalkaska, Michigan
Posts: 5,902
Received 19 Likes on 12 Posts
Year: 2001
Model: Cherokee
Engine: 4.0L
Default

It's a good thing being that off road you are in teran that can be and is loose.
Old 01-31-2009, 05:49 PM
  #3  
Seasoned Member
 
funkle95xj's Avatar
 
Join Date: Dec 2008
Posts: 495
Likes: 0
Received 2 Likes on 2 Posts
Year: 1995
Model: Cherokee
Engine: 4.0L High Output
Default

One word. Traction.

A locker just allows you to put the power down to both wheels instead of spinning one like you would with an open diff. Giving you better traction off road, plus many lockers are selectable in one form or another, giving you the option of returning your diff to an open position on the street. certainly a good thing in my book!
Old 01-31-2009, 05:55 PM
  #4  
Senior Member
 
jpdocdave's Avatar
 
Join Date: Aug 2008
Location: tan house white shutters key's under the flower pot
Posts: 971
Likes: 0
Received 0 Likes on 0 Posts
Year: 1996
Model: Cherokee
Engine: 4.0
Default

in 4 wd with an open diff you are really only getting power to 2 wheels, one on each axle. and if one wheel gets in very loose traction, it will just spin, leaving the other wheel that could have traction getting no power. a locker makes that other wheel get power no matter what. the difference is night and day in wheeling.
Old 01-31-2009, 09:30 PM
  #5  
Junior Member
Thread Starter
 
jeeperxj91's Avatar
 
Join Date: Dec 2008
Posts: 59
Likes: 0
Received 1 Like on 1 Post
Year: 1991
Model: Cherokee
Engine: 4.0 I6 HO
Default

So it is like a limited slip diff and then it isn't, correct?
Old 01-31-2009, 09:43 PM
  #6  
CF Veteran
 
caged's Avatar
 
Join Date: Nov 2008
Location: Northern Ontario, Canada
Posts: 7,874
Received 94 Likes on 85 Posts
Year: 1990, 1999, 2000
Model: Cherokee
Engine: 4.0
Default

sort of....

as with an open diff, limited slip can still leave you sitting when one wheel is in the air, or on loose traction. limited slip is a bit better than an open diff, but it will still send power to the wheel that needs the power, ie the one with less grip.
limited slip will send the power to the other wheel when it spins long enough.

a locker will send power to both rear wheels evenly even when one wheel is off the ground, thus giving you power to get over the obstacle.
Old 01-31-2009, 09:45 PM
  #7  
Seasoned Member
 
blank87's Avatar
 
Join Date: Oct 2008
Location: Vail, CO
Posts: 287
Likes: 0
Received 1 Like on 1 Post
Year: 2000
Model: Cherokee
Engine: 4.0
Default

Originally Posted by jeeperxj91
So it is like a limited slip diff and then it isn't, correct?
More like a no slip at all. It's a good upgrade for any wheeler, only thing is if your sees a lot of highway time getting lockers can come back and bite you in the *** because of the extra fuel it consumes turning another wheel full time on the road.
Old 01-31-2009, 09:54 PM
  #8  
CF Veteran
 
93XJLI's Avatar
 
Join Date: Jan 2008
Location: LI, NY
Posts: 3,671
Likes: 0
Received 8 Likes on 8 Posts
Year: 1998
Model: Cherokee
Engine: 4.0, bolt ons for days...
Default

Originally Posted by blank87
only thing is if your sees a lot of highway time getting lockers can come back and bite you in the *** because of the extra fuel it consumes turning another wheel full time on the road.
that makes 0 sense. well, maybe a tiny bit. but lockers dont kill your gas mileage.
Old 01-31-2009, 09:58 PM
  #9  
Seasoned Member
 
blank87's Avatar
 
Join Date: Oct 2008
Location: Vail, CO
Posts: 287
Likes: 0
Received 1 Like on 1 Post
Year: 2000
Model: Cherokee
Engine: 4.0
Default

Originally Posted by 93XJLI
that makes 0 sense. well, maybe a tiny bit. but lockers dont kill your gas mileage.
Never said killed it, I've just heard plenty of my buddies say it knocked them down about 2-3 MPG's and it kinda adds up quickly if you drive it everyday...
Old 01-31-2009, 10:04 PM
  #10  
Junior Member
 
OUTCAST's Avatar
 
Join Date: Jan 2009
Posts: 55
Likes: 0
Received 0 Likes on 0 Posts
Year: 90
Model: Cherokee
Engine: 4.0
Default

If your going to spend anytime trying to run the more difficult trails it would be a wise investment. I think a selectable lock is the best way to go. It gives you the option to be locked or not. Especially if you drive your rig on pavement. Just my 2cents
Old 01-31-2009, 11:13 PM
  #11  
CF Veteran
 
93XJLI's Avatar
 
Join Date: Jan 2008
Location: LI, NY
Posts: 3,671
Likes: 0
Received 8 Likes on 8 Posts
Year: 1998
Model: Cherokee
Engine: 4.0, bolt ons for days...
Default

Originally Posted by blank87
Never said killed it, I've just heard plenty of my buddies say it knocked them down about 2-3 MPG's and it kinda adds up quickly if you drive it everyday...
theyre lying.
Old 01-31-2009, 11:18 PM
  #12  
aka Wade-O
 
89eliminator's Avatar
 
Join Date: Dec 2008
Location: IN
Posts: 3,703
Likes: 0
Received 10 Likes on 9 Posts
Year: 1989 Comanche
Model: Cherokee
Engine: 4.0
Default

i think i gained mileage when i put my detroit in...
Old 02-01-2009, 12:15 AM
  #13  
Member
 
HeavyMetal's Avatar
 
Join Date: Sep 2007
Location: Fairfield, CT
Posts: 207
Likes: 0
Received 1 Like on 1 Post
Year: 1997
Model: Cherokee
Engine: 4.0
Default

There is NO frickin way lockers effect your mileage to any degree a cars gauge or a human could determine LOL

My sweet baby jesus
Old 02-01-2009, 09:30 AM
  #14  
Senior Member
 
jpdocdave's Avatar
 
Join Date: Aug 2008
Location: tan house white shutters key's under the flower pot
Posts: 971
Likes: 0
Received 0 Likes on 0 Posts
Year: 1996
Model: Cherokee
Engine: 4.0
Default

lockers give it less street manners, mainly in turns since wheels need to turn at different speeds in turns, never heard anything about mileage.

don't forget lockers are gonna make most people 10 times more likely to break parts, especailly in the d35.
Old 02-01-2009, 09:57 AM
  #15  
Seasoned Member
 
blank87's Avatar
 
Join Date: Oct 2008
Location: Vail, CO
Posts: 287
Likes: 0
Received 1 Like on 1 Post
Year: 2000
Model: Cherokee
Engine: 4.0
Default

well i apologize then, i guess i was misinformed

Thread Tools
Search this Thread
Quick Reply: Lockers



All times are GMT -5. The time now is 08:17 AM.