2nd Gen Non-Engine/Transmission Best Limited Slip or Posi ????

[hammersley]

I was over at a 4x4 shop and they told me the Dana Powerlock was a good setup... . Now it has clutch packs... ... thoughts on these... ... or what is the best ?????

 

[budnate]

the factory powerlock is the best hands down in my book for a street light off roading, I have ran 2 of them in my trucks, I wont leave home without one. last one I bought new was $550 for just the unit.

 

[BDaugherty]

What's best REALLY depends on how you will use it. The Dana powr-loc is a good unit. It does use clutch packs to distribute the torque. The bad part about clutch packs is that they will wear out eventually. How long they last really depends on your driving and maintenance habits. For example, around town driving will wear the clutches faster than highway driving. The good part is that you can re-stack the order of the clutches and plates to custom tailer how agressive you want your limited slip to be. We really need to know how you will be using the truck in order to recommend the best traction aid. That said, for anything other than extreme use, you can't go wrong with a powr-loc.



Another option is a Detroit Tru-trac. The torque bias is similar to the powr-loc, but it uses gears instead of clutches.

 

[SRath]

^^^^What he said!^^^^

Which axle is it going in? What do you plan to do with the truck?

If you are talking off-roading and/or rear axle, then you want a locker, not a posi. It ain't even close to being the same thing.

 

[hammersley]

OK - I understand the different approach....BUT

What's best REALLY depends on how you will use it. The Dana powr-loc is a good unit. It does use clutch packs to distribute the torque. The bad part about clutch packs is that they will wear out eventually. How long they last really depends on your driving and maintenance habits. For example, around town driving will wear the clutches faster than highway driving. The good part is that you can re-stack the order of the clutches and plates to custom tailer how agressive you want your limited slip to be. We really need to know how you will be using the truck in order to recommend the best traction aid. That said, for anything other than extreme use, you can't go wrong with a powr-loc.

Another option is a Detroit Tru-trac. The torque bias is similar to the powr-loc, but it uses gears instead of clutches.

if clutch plates wear out, and I know they do, why use this design? Wouldn't the Tru Trac be better? Now I drive this as a daily driver BUT do get into the mountains and last winter I couldn't go hardly anyplace in my neighborhood - so I need something that will really work. When I went to the 4x4 place in my area, they are really good, they told me that the only option for my Dana 70 read end was the Dana and the Tru Trac wasn't available.....

Now if they both are . what's the normal driving behavior of the two? And do they accelerate very much tire wear?????

Also I found this from another site... for forerunners who are using this..... I guess maybe this trait is what you have to live with ??????

I have a Detroit Tru Track in my front Diff. The guy who built my SAS before I giught my rig had been told it was a locker and he didn't realize it was a limited slip (Thus the reason I am waiting for my Ring and Pinion to go before I replace it)

So when wheeling if a tire lifts off the ground with a TT you lose all locker power. You have to apply some break pressure (either e-brake or normal break) to fool the limited slip into thinking it has some traction on both tires. Then the TT will work. I have to do this all the time while wheeling. Unfortunately applying break pressure does not give you a 1:1 ratio of TT locker-ness. It gives you 3/5ths - so it really is not nearly as good as a real locker (not to mention the fact that now you are trying to do break pressure while gassing over the obstacle)

 

[LVJUNIOR]

I have the trutrack on min and absolutely hate it. By the time it locks up the one tire will be half dug in.

 

[LandShark]

I had my differential rebuild by Randy's Ring and Pinion (Everett, WA) a few years back and had them upgrade my open carrier. They recommended the Dana PowerLok™ for my Dana 70. Works great so far.