Replacement rear diff carrier?

[superacerc]

My question is, If you go with a limited slip like truetrac what happens when the traction control steps in (or does it not work that way on the QDII)?

[Sal-XK]

If you get a wheel off the ground with QT2 you don't need to nothing the torque break traction control will stop that wheel and send the power to the other wheel. Unless you're really into off roading and do it all the time a locker is a waste of money. The computer system does a great job at handling just about everything you can throw at it. If you need more wheel slip just hit the ESP button once if you need a lot more slip hold it down til you here the chime. The best locker you can buy for on road use is a selectable one. I have had two wheels off the ground a lot and the computer has always kicked in kept me moving.

[Holaday07 4.7]

I have to agree. If you do not want to fork over the cash for an ARB I wouldnt mess with switching anything out. I will never put a locker in a DD that is not selectable again.

[NoMatter]

superacerc
My question is, If you go with a limited slip like truetrac what happens when the traction control steps in (or does it not work that way on the QDII)?

The traction control being brake biased only sees wheel spin so adding traction won't upset it any.

Sal-XK
If you get a wheel off the ground with QT2 you don't need to nothing the torque break traction control will stop that wheel and send the power to the other wheel. Unless you're really into off roading and do it all the time a locker is a waste of money. The computer system does a great job at handling just about everything you can throw at it. If you need more wheel slip just hit the ESP button once if you need a lot more slip hold it down til you here the chime. The best locker you can buy for on road use is a selectable one. I have had two wheels off the ground a lot and the computer has always kicked in kept me moving.

I've experienced problems when crossing over ruts when one wheel is slightly unloaded and the other is in full contact but the unloaded wheel seems to get all the power, While off road I always have the ESP full off in 4low, I hate when the traction conrtol kicks in from take off and "slows your roll" if you know what I mean? By the computer applying the brakes isn't momentum being lost? Correct me if I'm wrong but the QDII is an ELSD Limited slip, but not a complete locker only locking 60% It's my idea That adding traction with a new carrier would improve overall performance and by leaving the ESP in partial maybe the brake action of the computer would help the Truetrac perform better?

[Omelet]

The QD2 ELSD is capable of 100% lock.

[Sal-XK]

The QD2 ELSD is capable of 100% lock.

This is correct the QD2 will obtain full lock. I think it is a matter of how you're driving. While rock crawling which is what I mostly do I just put it in 4LO and don't touch the ESP this keeps the traction control touchy and reacts quickly to wheel spin. I tried it with the ESP off and yes it allows to much wheel spin for having wheels off the ground. Now in the sand and mud I will go in 4LO and hit the ESP button so I can have more wheel spin with out the computer jumping in. I found that this setting will allow enough wheel spin for most situations. The guys who need more wheel spin have tied the ABS fuse into a switch so they can have all the wheel spin they want. If your transitioning from snow to ditches so from needing lots of wheel spin to needing no wheel spin you need to be turning the ESP button on and off as needed. My only complaint so far with this system is it's not as controllable or say predictable as having a locker. But I don't think I would go without a select-able locker for a DD not with these things anyway. At this point in my build it's still the ground clearance and wheel articulation that holds me back right now.

[superacerc]

Yeah, in the slippery stuff some spin and momentum is needed. If you've got wheels in the air chances are you're not slipping and sliding around in the mud or snow so traction control is what keeps our rigs moving when wheels are off. Leave it on next time and try it. I never get stuck and rarely spin more than a half turn of a tire(and usually not that much).

[NoMatter]

Thanks for the correction on the QDII thats whats great about this place, knowledge all around... i too have never had a problem with getting stuck, well except that one time I got high centered on the crossmember. From what I'm reading unless it's an ARB it wont benefit me in any way? I too want more ground clearance and was hoping to do a superlift this winter but I need new tires anyway so thats an extra grand I cant afford on top of the lift....if my 265's had more life on them (almost 40k) I would have been fine, but for Moab I want new meats. I have wheeled with the ESP on on 4 low its does do great! (Esp is reduced correct) Unfortunatly the snow has put a stop to my adventures till at least May.
I thought having the mechanical advantage of the limited slip along with the QTII's brain would improve the XK's abilities. Especially if I ummm...decided to drive through a bowl in Moab, haha is that even doable with my OME?

[valpacer]

This is correct the QD2 will obtain full lock. I think it is a matter of how you're driving. While rock crawling which is what I mostly do I just put it in 4LO and don't touch the ESP this keeps the traction control touchy and reacts quickly to wheel spin. I tried it with the ESP off and yes it allows to much wheel spin for having wheels off the ground. Now in the sand and mud I will go in 4LO and hit the ESP button so I can have more wheel spin with out the computer jumping in. I found that this setting will allow enough wheel spin for most situations. The guys who need more wheel spin have tied the ABS fuse into a switch so they can have all the wheel spin they want. If your transitioning from snow to ditches so from needing lots of wheel spin to needing no wheel spin you need to be turning the ESP button on and off as needed. My only complaint so far with this system is it's not as controllable or say predictable as having a locker. But I don't think I would go without a select-able locker for a DD not with these things anyway. At this point in my build it's still the ground clearance and wheel articulation that holds me back right now.

Hey Sal,

I thought the traction control and esp turned off in 4 low completely? And you can manually disable it in 4 hi with the button press for 5 seconds? The elsd works in 4 low straight off the wheel speed sensors?

Dave

[Sal-XK]

Hey Sal,

I thought the traction control and esp turned off in 4 low completely? And you can manually disable it in 4 hi with the button press for 5 seconds? The elsd works in 4 low straight off the wheel speed sensors?

Dave

No you cannot turn off the traction controll system completely. We have a chart here somewhere that shows the different settings but I'm on my phone so I'll try finding it later. I think maybe the ESP can go full off. In the different modes different options get shut down. Like one setting kills the part that kills power during wheel slip but keeps the brake torque part active. The only way to completely shut down the abs is to disable it. I'll look for the chart when I get home if know one finds it first. Of course it changes between drive systems.