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I need help with traction!

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Old Apr 29, 2013 | 11:06 PM
  #1  
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From: AL, Reform
I need help with traction!

of late I've been lacking with traction. i have been stuck in the mud 5 times in the last week. and it will just be on top of the ground. i have Firestone destination AT 285/75/16E tires, they have good tread left. when i get stuck only 1 tire will spin, and the truck has a positive rear end. what can i do to help this? most of the time all i takes is a small pull and im good, Saturday i backed a trailer up unloaded then could not move an inch. what is the problem tires rear end?
 
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Old Apr 29, 2013 | 11:36 PM
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positive as in limited slip or non-limited? i can never remember. if you have the non-limited i would look into a Detroit Tru Trac, Riffraff has them. http://www.riffraffdiesel.com/catego...-TRANS-TT.html
 
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Old Apr 30, 2013 | 07:44 AM
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From: AL, Reform
is it a limited slip but when in mud it is like its open
how do i put the detroit in? do i have to take it to a shop to put it in? or can o do it?
 
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Old Apr 30, 2013 | 08:50 AM
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How is the front pulling? I know my dads 2x4 would get stuck in mud very easily, with only one wheel pulling. since I've had a 4x4, I haven't had any issues getting stuck, but that's in sand and not mud. I can bury the rear end, and still get out if I lock it in. I feel my diff jumping back and forth very often though.
 
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Old Apr 30, 2013 | 09:54 AM
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If you only spin one tire in mud then you have either an open diff or a really worn out limited slip.

Also make no mistake about it. AT tires are street tires and are only marginally better that street tire.
 
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Old Apr 30, 2013 | 10:24 AM
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Iirc the true trac is a limited slip. It won't do much better than the oe in mud. You will want a selectable locker. Once it is engaged both tires will spin at the same rate. You could also just air down the tires and feather the parking brake. That will preload the ls diff and help transfer the power to the tire with traction. Of course you will need to fully reinflate the tires before you pull a trailer. When in mud, wheel speed is your friend
 
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Old Apr 30, 2013 | 10:34 AM
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If only one tire is spinning you do not have a posi. I would go with a trutrack if I was you that was it is an open diff until it senses slippage then it will lock both axles in. I would also have a shop put it in
If your in the mud that often ditch the A/Ts like said above A/Ts are mostly a street tire anyways.
 
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Old Apr 30, 2013 | 11:38 AM
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A true trac is a gear driven torque splitting diff that basically had a bias range geared into it. No clutches or springs. They work about as well as anything short of a full on selectable locker
 
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Old Apr 30, 2013 | 11:50 AM
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From: Banner WY Pop 42, yes 42
I have the same problem but in snow and ice as Snakedoc. My 2002 f350 4x4 according to the code on the diff. plate shows it is a limited slip diff. Well, I got stuck in my driveway in about 2 in. of snow/ice. One front wheel spinning and ONE rear wheel spinning. My wife in her Subaru just calmly drove around me and laughed. I love the truck but it has horrible traction in snow/ice.
 
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Old Apr 30, 2013 | 12:41 PM
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ARB air locker. Had one in the rear end of my 78 bronco. Awsome traction. The problem with a Detroit locker is when on icy roads it can be,shall we say, stressfull, especially when she breaks loose.
 
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Old Apr 30, 2013 | 02:02 PM
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You can buy what us jeep guys refer to as a "lunchbox" locker that replaces the spider gears with a ratchet mechanism. However while easy to install they can be less than smooth on the street
 
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Old Apr 30, 2013 | 04:07 PM
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after watching this video i didnt think it would be to bad but it is also on a suburban so i dont know if theres a huge difference in installation. I to have the same problem when not in 4x4 so i have been looking into them a little bit.
 
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Old Apr 30, 2013 | 05:15 PM
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A set of chains will help a lot in the mud if you don't want to run MT tires.

Last memorial day I had to chain up to pull my 5th wheel out of our camping spot, my BFG ATs just could not clean enough to get out.
 
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Old Apr 30, 2013 | 07:57 PM
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i would love to have a set of mud tires but they dont last and i tow all the time.
i have a winch that is great in helping me out,
i just dont know if my diff is bad, but the code says it is limited. the front dose the same only 1 wheel spins when stuck?
 
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Old Apr 30, 2013 | 08:44 PM
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A lot of LS differentials out there will act like an open when tired or too much friction modifier is added. When installing a 08 diff cover on mine I was careful to add only a bit of the friction modifier at a time, sneaking up on the sweet spot where the LS actually works. If yours is not terribly worn that strategy can work for you. If you have a tree sprouting money out on the back 40 I'd go with the Detroit TrueTrac. ARB air locker is overkill for your application, which sounds a lot like mine. But for now Shanejet has it right, air down and apply a little parking brake to control the spin. It's a technique some people master and they make it look easy, but I kinda suck at it.
 
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