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Unread 02-22-2008, 08:52 AM   #1
Passatglx
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Wk 4.7 QT11 in the snow

My last vehicle was a 05 land rover LR3 which basically drove through snow and had perfect control. My jeep slides all over the place and the traction control doesn't compare to the landrover's capabilities. That and the lr3 was a 1000 lbs heavier. I wonder if quadra drive 2 makes a big diffrence over QT11 in the snow?

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Unread 02-22-2008, 12:23 PM   #2
KingPrat
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My father has a similar setup and loves QTII. Maybe you should lay off the skinny pedal?

Or check the level of the fluid in the transfercase. Seems weird that you would be sliding that much more than a LR...
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Unread 02-22-2008, 12:40 PM   #3
scootr29
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Did both vehicles have the exact same tires? Tires make a huge difference.
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Unread 02-22-2008, 12:41 PM   #4
Texas WJ
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Agreed.

The tires that come stock on the Grand Cherokee are junk.
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Unread 02-22-2008, 01:39 PM   #5
tbm5690
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Different 4WD systems operate in different ways. If you are in a slide give the Jeep gas so that the front wheels can begin to spin and give you traction. I don't know what kind of a system is on the LR3, but 1,000 lbs. of weight makes a difference and x2 on the tires.
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Unread 02-22-2008, 03:25 PM   #6
AferVentus
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Do you have ESP? That, as well as tires, can make a huge difference.
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Unread 02-22-2008, 03:48 PM   #7
mrfWKJeep
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I think it must be your tires, I will tell you my WK with Bridgestone Revo's is a different Jeep to drive than when it had the factory Goodyear HP's on it.
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Unread 02-22-2008, 05:46 PM   #8
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My stockers sucked in the snow but the ATs are great.
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Unread 02-22-2008, 07:21 PM   #9
KingPrat
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Just thinkin about a few things:

Land Rovers have a selectable "Terrain Response" system, where you can flip a switch for different road conditions: Rain/Snow, mud, rocks, etc. This system changes vehicle dynamics so that you maintain maximum traction for different conditions.

This is probably why your LR was "superior" in that aspect. The transfercase and ESP systems were prepped for slippage, etc. so the vehicle was safer in the slick conditions. It doesn't need slippage to react.

The mechanical system on Jeeps: QT-II, reacts to slippage and transfers torque and brake pressure to counteract the slippage. This is why you'll feel it more than an LR3.

I guess you just have to get used to a mechanical system. I went from a selectable 4wd blazer to the full-time Jeep when I bought my ZJ and it took a while to figure out the system and be comfortable with it.

Just give it some time. And if you still have those SR-As or HPs on there, get a good AT tire and you'll notice a significant difference.


You can lift the LR3 with the flick of a switch....unreal. My head is spinning after looking through all of the electrical systems that control those things. I'd hate to wrench on one, or own one for that matter, I'll tell ya that much......
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Unread 02-23-2008, 03:22 PM   #10
tbm5690
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Just a correction for KingPrat...in the WKs the 4WD systems are now electronic, not mechanical like the ZJs and WJs
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Unread 02-24-2008, 05:05 PM   #11
KingPrat
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Only Quadra-Drive II has electrical components incorporated into the 4wd system.(ELSDs) Quadra-Trac II is still mechanical.

Shifting to 4Lo is electrical now on all of them, yes.
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