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Old 02-18-2012, 07:46 PM   #1
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Anti-Slip (Limited Slip) Differential Vs. Standard Differential Ram 1500

Hey All,

Today we looked at two different 2012 Ram 1500 trucks for a tow vehicle.

Both have Hemi, 4x4, Class IV Hitch, Tow Package.

Truck A - Add Chrome wheels, leater, step bars

Truck B - Painted wheels, cloth, but has an Anti-Slip Differential

To me, the anti-slip is more of a performace, racing, deal.

I am curious, when it comes to towing, if there is prefrence in either direction?

I am leaning twoards truck A, just because it is a great value for the added options, but I am curious about the differential.

Thanks for your feedback.

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Old 02-18-2012, 08:54 PM   #2
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No real advantage to limited slip on a 4x4 IMO unless your racing or off roading.


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Old 02-18-2012, 09:04 PM   #3
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I would always go for the limited slip if available. But, an aftermarket unit is a lot better than the factory setup.
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Old 02-19-2012, 02:35 AM   #4
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KKapa, the LS in the 9.25 Dodge axles has been around for many, many years. It works well in limited traction conditions. I suspect that "Truck B" has the 3.92 ratio which is what I'd be more interested in for towing. The LS is bonus but generally when towing a TT we tend to avoid those conditions that make a LS differential so useful.
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Old 02-19-2012, 07:47 AM   #5
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KKapa a major point on the differentials for towing is WHAT IS THE GEAR RATIOS? Depending on how heavy a trl you're towing gear ratio is the main factor. The lower the gear ratio the better for heavy towing. If like kandl says the LS diff has the 3.92 towing gears that's the one you want, if the other trk has the 3.55 highway gears. Towing gears will give you about and extra 2000lbs towing over the highway gears.

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Old 02-19-2012, 09:45 AM   #6
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The limited slip is an option for a good reason. I've had to pull into slippery wet campsite in the mountains before and as it started to come to a stop, thank god I felt the "thud" of the posse ass, and front end locking up to get my but up the hill with 10,000 pounds behind me. Its a new truck, don't build it cheap!
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Old 02-19-2012, 10:08 AM   #7
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I would definitely get the LS. In tight quarters, like backing in, 4X4 can bind. The LS would give you more traction in 2WD. Also, LS is nice in low traction driving conditions when you aren't using your 4X4. And believe it or not, LS provides benefit when you are in 4X4 as well. Then you have 3 drive wheels instead of 2. That makes a substantial difference when the going is REALLY tough; like deep snow or mud.
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Old 02-19-2012, 10:25 AM   #8
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A limited slip rear can actually be dangerous in slippery conditions with an inexperienced driver, as the rear of the truck can 'kick out'. That is what the 4x4 is for.
As for needing it when positioning your camper, with the weight of the camper on the truck, I seriously doubt you would be doing much spinning.
I have had both, and the only time I really needed the limited silp was when I was out hunting and driving down forest roads, pushing snow with the hood of the truck!
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Old 02-19-2012, 10:34 AM   #9
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Originally Posted by crocus View Post
A limited slip rear can actually be dangerous in slippery conditions with an inexperienced driver, as the rear of the truck can 'kick out'. That is what the 4x4 is for.
Instead of 1 wheel tracking and 1 spinning in slick conditions, a limited slip differential will apply power to both back wheels, so the back end can get quite squirrelly going down the road. My 2 wheel drive 1979 F150 was a challenge to drive on snow and ice, but the limited slip did pull me out of some stuck conditions. Even with the squirrelly driving in snow and ice, I still liked that LS in my '79 F150, and now have it in my 2006 F150 as well.

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Old 02-19-2012, 10:52 AM   #10
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Both trucks have the 3.55 gears. No difference there. It comes down to Leather, Step Bars, and Chrome wheels which I will enjoy multiple times per day vs LS which might eventually come in handy at some point. If It were a 2wd truck I would get the LS for sure. Being a 4x4 I am really thinking the benefits won't be noticed. Also, then truck is A 24mo lease, so If I'm not happy with my decision I only have to deal with it for 2 yrs.

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