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mpil1
GenIII
 
11/18/2002
22:13:32
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 Subject: Powertrax No-Slip vs Factory LSD
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OK, so spinning my tires all the time from start under slippery conditions is getting old now. I have part-time 4WD, so I can't use that for most street conditions. I understand better tires would help, but I figure something needs to be done about my "peg-leg" open diff anyways. So I was wondering which would be better, getting the Powertrax No-Slip system installed, or getting the carrier changed out at the dealer to upgrade to the factory LSD??? What are the differences between the two if any??? And does anyone have any personal recommendations?? Any help here appreciate....
Mpil1
'02 SXT CC, 3.9L, 5-spd, 4x4...Not Enough Mods Yet!!! Next spring and summer will be busy!!
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POWER HUNGRY
Dodge Dakota
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11/19/2002
00:41:23
|  RE: Powertrax No-Slip vs Factory LSD
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The factory one is a LSD, the passenger rear spins then it starts to transfer the power to the other wheel through the use of clutch packs. The powertrax is a unit that locks the wheels together until you start to make a sharp enough turn, then it unlocks to let the outer tire spin faster. The powertrax is suppose to be on the noise side while its locking/unlocking. The locker divides power 50/50 while the LSD depends on the spring rate on the clutch packs 70/30 or 60/40. Basicly the LSD controls the one wheel spins and the locker spins both wheel in poor conditions. Locker are longer lasting/ more durrable and the LSDs are more forgiving but wear-out.
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Funkycheeze
Dodge Dakota
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11/19/2002
03:13:21
|  RE: Powertrax No-Slip vs Factory LSD
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the stock LSD should be perfectly adequate for street use like that - the model that is used in the dakota has a 6:1 torque bias ratio (that means the LSD can transfer 6 times as much power to the gripping wheel as the slipping wheel)
you should be able to order it under the trade name 'Dana Trac-Loc' for your specific axle size from any good 4X4 shop, and have it installed by a proficient mechanic, perhaps yourself.
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Dr. D
Dodge Dakota
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11/19/2002
06:42:15
| RE: Powertrax No-Slip vs Factory LSD
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The PowerTrax is a great setup but you must be
careful when operating on slick roads.
Example ??
It's kinda like riding an ATV with a FAT chick
.... (the rear axle will be "live" and tend to
push the front end strait).
Dr. D
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blk4.7
Dodge Dakota
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11/19/2002
08:12:55
| RE: Powertrax No-Slip vs Factory LSD
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Dr D is right about the slick roads thing. Especially bad when the roads are slick and bumpy!
I have the no-slip in my 4.7 5 speed and it causes 2nd and 3rd gears to grind sometimes. When it doesn't grind it shifts hard and knotchey. I installed Red Line MTL and it helped a little. I am thiking about replacing it with the Dana Trac-Loc.
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Steve
Dodge Dakota
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11/19/2002
08:31:09
| RE: Powertrax No-Slip vs Factory LSD
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blk4.7, I don't think your differential can cause shifting problems. You have a whole 'nother problem. Either your syncros are shot, or your clutch is dragging. If you have a Hurst shifter, get rid of the neoprene insulator where the shift lever bolts on to the shifter.
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Lemmers
Dodge Dakota
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11/19/2002
08:55:38
| RE: Powertrax No-Slip vs Factory LSD
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The factory clutch-type LSD is a much better
set up for street use. It's much smoother and
rebuildable if needed.
The powertrax WILL snap, bang, and generally
make your truck sound like a POS imho. My
brother had a powertrax in his '95 regular cab
dakota sport 318, 5spd, it lasted 25,000 miles
before self-destructing. He replaced it with a
Mopar Performance LSD and has been much
happier. In this case you really do get what
you pay for.
On the down side, you'll have to pay someone
to install the factory lsd differential. The
powertrax installs INSIDE the factory open
differential by replacing the spider gears and
can be done by the average weekend
mechanic.
My two cents,
Lemmers
'02 Quad Sport Plus, 4.7,5spd,3.55LSD,
dropped, tinted, de-stickered, RT wheels and
Toyos, Access Cover
'88 LX 5.0 12.7@107 w/75 horse dry shot,
100,000 miles!
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blk4.7
Dodge Dakota
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11/19/2002
09:00:22
| RE: Powertrax No-Slip vs Factory LSD
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Steve; My shifting was fine before I installed the powertrax no-slip. I removed the unit and the shifting returned to normal. I put it back in for the winter and the bad shifting has returned.
How can I tell if the clutch is dragging. Would it be low on fluid? I knoe the syncros are wearing and I believe the no-slip is making the wear worse. When I changed the lube there was alot of brass particles in the bottom of the drain pan.
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Steve
Dodge Dakota
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11/19/2002
09:22:10
| RE: Powertrax No-Slip vs Factory LSD
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blk4.7. If the truck wants to "creep" with the trans in 1st gear with the clutch pedal to the floor, your clutch is dragging. If you have brass particles in your drain oil, I think you have found the problem. Your syncro rings are usually made of brass.
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forexfour
GenIII
11/19/2002
11:02:55
| RE: Powertrax No-Slip vs Factory LSD
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I am not running Power Trax but I just had the Detroit Locker in the rear axel, Carrier change and all. I heard allot of people talking about hearing clunking and tires chirping but I do not get allot of this. You can control if they chirp or clunk. If you give it a little bit of gas to hard it will chirp and maybe clunk as it locks. For the most part I hear no chirping in turns and no clunking or jerking.
I was going to out in the Power Trax but could not get one for my setup.
Off road I liked it allot. I was able to go 2wd in some places where I used to use 4wd. Climbing power was great.
FXF
Never late for a Tee time or wheelin with my buddies! Always ready for both!!!Forexfour's home
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HSKR
Dodge Dakota
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11/19/2002
11:04:42
| RE: Powertrax No-Slip vs Factory LSD
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The PowerTrax is a much better part IMO. After breaking my factory LSD, I havn't had a problem with my PowerTrax, it was less than half the price of a new LSD, and the install was done in about 1 hour in my driveway. Yes, it is noisy, but for me it was more about performance. And as mentioned, you will need to re-learn how to drive with it because it will tend to push the truck in whatever direction it is pointing. This was in my '99 Dak R/T.
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Jeffro
Dodge Dakota
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11/19/2002
16:15:41
| RE: Powertrax No-Slip vs Factory LSD
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My $.02. I believe Auburn makes a lsd for the Dak. It's supposedly stronger than the Trac-Lok. Am debating between Auburn and No-slip. Realizing, I'll have to pull case and reset gears for Auburn.
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91DakotaFreak
Dodge Dakota
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11/19/2002
17:49:57
| RE: Powertrax No-Slip vs Factory LSD
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what is the difference between the new lsd and the old 91 sure grip rear ends? When i do a burn out i dont go from wheel to wheel i have a like a posi burn out. WHen i jack the back end up and try to spin one wheel it spins both like a posi would and in my service amnual it says that it isnt rebuildable. WHy is that im confused on what i have/what type it is.
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Mr Goat
Dodge Dakota
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11/20/2002
08:40:19
| RE: Powertrax No-Slip vs Factory LSD
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My .02 I have a 93 Club Cab LE 2WD with the factory limited slip 3.55 gears. I have towed boats, a camper, a international scout (hunting truck) and numerious other trailers. I have rolled up 192,000 miles with no problems. The way to have good service from limited slip is change the fluid and use the Mopar additive.
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HSKR
Dodge Dakota
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11/20/2002
10:05:46
| RE: Powertrax No-Slip vs Factory LSD
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Trust me, I used nothing but Mopar synthetic fluid and Mopar additive and changed the fluid every 20K up until it broke on me. The dealer was the one changing the fluid as well. When I bought the PowerTrax is when I found my factory limited slip was broken.
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Lemmers
Dodge Dakota
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11/20/2002
16:41:30
| RE: Powertrax No-Slip vs Factory LSD
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HSKR, what broke in your factory LSD? Were
the clutches slipping? Did the "S" spring or
spider gears give up?
The Power trax in my brothers truck just sort of
self destructed. It worked good for about 15K
and then got really noisy. A fluid change
shortly thereafter showed a ton of metal chips.
The leading edge of the straight cut gears in
the powertrax were worn out. It was
completely junk soon after and would just
snap, bang and grind when cornering.
I'm really curious what happened to the factory
LSD. In my experience they've been bullet
proof.
Lemmers
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KJ
Dodge Dakota
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11/20/2002
19:17:42
| RE: Powertrax No-Slip vs Factory LSD
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I have an Auburn unit in my 9.25 and it works pretty well. Auburn recommends only conventional based 80W-90 plus GM or Ford additive. It was installed with Amalie additive and it worked. I have found that some other additives don't work at all though so I suggest using the GM product as I do.
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mpil1
GenIII
11/20/2002
21:51:25
| RE: Powertrax No-Slip vs Factory LSD
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Well, having read all your input, I'm being pulled more toward the Dana Trac-Loc rather than the Powertrax. I've read (not only here) that the Powertrax is rather noisy for mainly street use. And I've heard a few people talking how it didn't last (as some did here). Anyways, I'll have to check out some prices on that Dana Trac-loc at Pro Trucks. Thanx guys.
Mpil1
'02 SXT CC, 3.9L, 5-spd, 4x4...Not Enough Mods Yet!!! Next spring and summer will be busy!!
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2THEXTRM
GenIII
11/20/2002
22:54:13
| RE: Powertrax No-Slip vs Factory LSD
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www.4wheelparts.com has the 9 1/4" Dana Trac Loc for $125!!!! I even called to verify their website info is correct and it is, can't go wrong there. Is it true though that it is not a "drop-in" like the Power-trax and required removal of gears? I will order this badboy this weekend if I can do it myself in a half-day or less:)
Flowmaster cat back w/15 inch chrome tip, Volant Intake, Poweraid TB Spacer, Splitfire Plugs, full synthetic fluids
3 inch body/1.5 inch Block Lift, 305 70-16 X-Terrains on AR Terons, Pro Comp ES9000's
Grizzly double/single rollbar with (6) Hella's, Manik Nerfs, Line-X, Hard Work & $$$$$$$$$$
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Funkycheeze
Dodge Dakota
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11/20/2002
23:37:32
| RE: Powertrax No-Slip vs Factory LSD
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the 'stock' LSD from your dealership is simply the open diff with the carrier removed and the trac-loc in its place - it is manufactured that way
if you have a stock LSD that is failing - you can just swap out the carrier unit for another trac-loc - and fitting a trac-loc unit to an open diff requires the removal of the stock carrier and spider gears
this swap will result in an IDENTICAL product to the 'stock' LSD
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Lemmers
Dodge Dakota
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11/21/2002
08:49:52
| RE: Powertrax No-Slip vs Factory LSD
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The trac-loc factory lsd IS the differential. In
order to change from a factory open diff. you
will need to pull the axles, remove the carrier
main caps and remove the entire differential
with the ring gear bolted to it.
You really can't just "swap it out" (open vs.
trac-loc) without checking for proper ring and
pinion gear back-lash, wear pattern, pre-load,
etc.
The Powertrax installs INSIDE the factory
differential.
The Open, Trac-loc, Detroit locker, Auburn,
Torsen, etc. ARE differentals.
Hope this helps,
Lemmers
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HSKR
Dodge Dakota
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11/21/2002
10:14:31
| RE: Powertrax No-Slip vs Factory LSD
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On my LSD, both thrust washers and a few of the clutch discs broke and started getting into the gears chewing them up. I had pictures posted here from when I did the swap in the spring. Had some nicks and gouges in the diff cover. Went to the PowerTrax and havn't had a problem yet.
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forexfour
GenIII
11/21/2002
11:31:39
| RE: Powertrax No-Slip vs Factory LSD
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I had to have the LSD carrier removed and the Detriot No slip carrier installed. I Have the 8.25 axel LSD. No power trax available for this Axel. I am very happy with the Detroit Locker. Yes they had to do all the backlash checks and all. It was not a job for me.
I get very little noise but if you hit it hard from a start you will spin and hear the diff lock.
FXF
Never late for a Tee time or wheelin with my buddies! Always ready for both!!!Forexfour's home
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JR
Dodge Dakota
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12/13/2002
18:00:52
| RE: Powertrax No-Slip vs Factory LSD
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My LSD Clutch Packs have failed twice in 30,000 miles causing pinion bearing failure both times. I can't believe the poor quality designed into Dodge/Chrysler Drivetrains. Does anybody have a complete 3.92 9.25" rear axle assembly available for a 1998 Club Cab Sport 5.2 4x4 3.92 LSD 5spd?
JR
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mpil1
GenIII
12/14/2002
12:03:35
|  RE: Powertrax No-Slip vs Factory LSD
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Getting Dana Trac-Loc installed today for $190 + installation. :)
Mpil1
'02 SXT CC, 3.9L, 5-spd, 4x4...Not Enough Mods Yet!!! Coming up this weekend (12/14)....Dana Trac-Loc
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