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Old 06-10-2019, 11:07 AM
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Power Trax

Since lockers in D35 are a NoNo.....anyone have any experience with the Power Trax Grip Pro Limited Slip?

https://www.powertrax.com/product-in...action-system/

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Old 06-10-2019, 12:02 PM   #2
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It says on their website they only sell it for the D30 front axle they dont offer one for the D35.

I wouldn't say a lunchbox locker in a D35 is a NoNo i ran one for over 10 years with no problems on 33's.

The D35 is not worth sinking money into you can get a lot of money wrapped up in gear swaps and full carrier lockers. If you really want more traction on a budget and dont mind the popping and banging and bad street mannerisms a $270 aussie locker is the best way to go.

If you do break a shaft with a lunch box locker installed it will be a bigger pain in the ass to change out since you have to deal with small springs and pins.
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Old 06-10-2019, 12:20 PM   #3
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For just a little more you can have a true trac.....

MUCH MUCH better street manners....

That said, I'm dd'ing a full detroit locked d35 right now and have had it off road several times w 31's....
It annoys me to no end on the street and will be going away but it's not the locker that is a nono on a d35,
It's the combination of too many of the following: locker, big tires, agressive tires, poor judgement, heavy (winch, armor, skids, people, gear, etc)....

I also ran a lockright in a d35 for a few years and wheeled it HARD with no breakage... I eventually removed it and to this day it's in the too drawer of one of my toolboxes....

Ps get the tru trac
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Old 06-10-2019, 02:47 PM   #4
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Nothing wrong with a Full Locker in D35 as long as you use 30 spline 1541H shafts in a combination with the 30 spline locker of your choice.
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'94 YJ 5sp 4.10, Super 35, HP30 w/Aussie, sitting on 33's, RE chromo drag link, 9500 Lb winch, 4" lift, 4x4 Posi Lock, it's a resto-mod in progress.
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Old 06-10-2019, 03:29 PM   #5
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Both of mine had/have stock 27 spline shafts
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Currently in the stable: .....97 tj 2.5 5 speed stock... 97 tj 4.0 5 speed stock....04 tj 4.0 auto 4" and 33's... 98 tj roller for future build... 94 yj sahara 4.5" RE and 33's... 92 yj sbc 3/4 ton axles and 38's... Cj5,7,yj,xj,ex mud dragster project

TJ dash speakers that actually rock! Kicker sub and amp in center console
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Old 06-10-2019, 04:08 PM   #6
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Nothing wrong with a Full Locker in D35 as long as you use 30 spline 1541H shafts in a combination with the 30 spline locker of your choice.

I just cant see spending that much money on a D35
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Old 06-10-2019, 04:16 PM
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My NoNo reference had a hint of sarcasm. As so many people state that a D35 is a ticking bomb, even in a stock Jeep. While it is not the strongest differential, is it really going to explode with a sub 120hp engine?
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Old 06-10-2019, 05:38 PM   #8
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Yes it can... all it takes is a couple bounces under throttle...

You have to remember that low range and low gears multiply torque and shock loading further multiplies force.... adding a locker then doubles the force that a single shaft can see...

100 ft lbs times (numbers rounded for simplicity) 3:1 low range and 3:1 first gear and 4:1 rear axle comes out to 3600 ft lbs... then bounce it and that could tripple to a 10,800 ft lb shock load
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Currently in the stable: .....97 tj 2.5 5 speed stock... 97 tj 4.0 5 speed stock....04 tj 4.0 auto 4" and 33's... 98 tj roller for future build... 94 yj sahara 4.5" RE and 33's... 92 yj sbc 3/4 ton axles and 38's... Cj5,7,yj,xj,ex mud dragster project

TJ dash speakers that actually rock! Kicker sub and amp in center console
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Old 06-10-2019, 05:40 PM
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So, use finesse rather than stomp the skinny pedal?
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Old 06-10-2019, 05:42 PM   #10
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Yep

Btw here's a tru trac w a little brake preload

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TJ dash speakers that actually rock! Kicker sub and amp in center console
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Old 06-10-2019, 05:47 PM   #11
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Enough finesse and you won't need a locker at all!, If you're gonna stomp on it, Go bigger or Go home...

Mrs. Got it won't let loose of the purse strings so I use A LOT of finesse and still get where I want to go, maybe just a little slower...
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Old 06-10-2019, 07:19 PM   #12
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I just cant see spending that much money on a D35
So you would spend $1100+ on a D44 plus locker/LSD, R+P gears, and 1541H/Chromoly shafts? You're already $1100 over the cost of a S35, what did you gain? A ring gear that's something like an inch larger and a semi float axle. Almost worth the cost but not quite. Please don't get me started on the 8.8
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'94 YJ 5sp 4.10, Super 35, HP30 w/Aussie, sitting on 33's, RE chromo drag link, 9500 Lb winch, 4" lift, 4x4 Posi Lock, it's a resto-mod in progress.
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Old 06-10-2019, 08:55 PM   #13
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So you would spend $1100+ on a D44 plus locker/LSD, R+P gears, and 1541H/Chromoly shafts? You're already $1100 over the cost of a S35, what did you gain? A ring gear that's something like an inch larger and a semi float axle. Almost worth the cost but not quite. Please don't get me started on the 8.8
Yes.

A much stronger housing, no skinny 2.5" tube, no c-clips, weak wheel bearings, an axle without band aids allover it.

I dont hate the D35 but the housings are weak i know guys that have bent tubes. I got used to babying my D35 but it got old. You could buy or make a truss for the D35 to help keep it from smiling but sometimes you just need to get rid of what was designed for 26" tires and buy or build something better.

A Toyota 8" from first gen tacomas is the right width but they are 6 lug. I was thinking about doing this swap but finding a wagoneer front axle to match bolt pattern was impossible.

I also liked pc1p's Isuzu D44 build write up but i couldn't find any isuzu D44's calling around either.

If you are lucky enough to have junk yards that hang onto old trucks and can find a good deal on an axle and may get by building one on a budget. I just got sick of trying to build budget axles and calling junk yards, posting craigs list ads and coming up empty handed. So i finally caved in just ordered some custom axles and got axles the way i always wanted them.
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Old 06-11-2019, 06:17 PM
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Anyone have a TruTrac in the rear and a selectable locker up front?
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Old 06-12-2019, 06:10 PM   #15
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Yes.

A much stronger housing, no skinny 2.5" tube, no c-clips, weak wheel bearings, an axle without band aids allover it.

I dont hate the D35 but the housings are weak i know guys that have bent tubes.

Not necessarily true at all.


The tubes on a D35 come from the exact same stock that the D44 tubes come from.


C-clips aren't really that big of a deal, I've wheeled and know of many others that do still run C-clips axles without carrying 20 spares for a day trip.


We are just going to have to agree to disagree, The S35 in my TJ has been going strong for 2 years now with 33" tires. Then again I don't believe in mashing the stupid pedal in every situation.


You have to remember not everyone shares the same driving style or to the degree of wheeling others do. Some realize the limitations they have to work with and pick better lines than the folks that say " Here hold my beer "


Click image for larger version

Name:	3B.jpg
Views:	16
Size:	98.5 KB
ID:	4156939

That thing had a freshly built 454, SM465, 205 twin stick, 4.88 gears, Detroit F/R, with 38" tires, Never once snapped a shaft in the Chevy 10 bolts.
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'94 YJ 5sp 4.10, Super 35, HP30 w/Aussie, sitting on 33's, RE chromo drag link, 9500 Lb winch, 4" lift, 4x4 Posi Lock, it's a resto-mod in progress.
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Old 06-12-2019, 06:49 PM
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So, kind like Dirty Harry said, "A man's got to know his limitations." Or at least his Jeep's.
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Old 06-12-2019, 07:09 PM   #17
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Not necessarily true at all.


The tubes on a D35 come from the exact same stock that the D44 tubes come from.

C-clips aren't really that big of a deal, I've wheeled and know of many others that do still run C-clips axles without carrying 20 spares for a day trip.

We are just going to have to agree to disagree, The S35 in my TJ has been going strong for 2 years now with 33" tires. Then again I don't believe in mashing the stupid pedal in every situation.

You have to remember not everyone shares the same driving style or to the degree of wheeling others do. Some realize the limitations they have to work with and pick better lines than the folks that say " Here hold my beer "


Attachment 4156939

That thing had a freshly built 454, SM465, 205 twin stick, 4.88 gears, Detroit F/R, with 38" tires, Never once snapped a shaft in the Chevy 10 bolts.
The TJ D44's were not real D44's they were a D35/44 hybrid D44 center and D35 tubes. I dont remember if the XJ D44's were built the same way or not.

The Isuzu D44's had larger diameter tubes not sure about the thickness. Jeep skimped a lot when it came to building axles i think the JK next gen 44's even have small thin tubes.

For as much money as the Rubicons sell for they should have 3" or bigger 3/8 wall tubes that you can run 37's on and give it a decent beating without bending them. Maybe i expect too much out of a $40,000 "offroad" vehicle.
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Old 06-12-2019, 07:12 PM   #18
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The TJ D44's were not real D44's they were a D35/44 hybrid D44 center and D35 tubes. I dont remember if the XJ D44's were built the same way or not.



The Isuzu D44's had larger diameter tubes not sure about the thickness. Jeep skimped a lot when it came to building axles i think the JK next gen 44's even have small thin tubes.



For as much money as the Rubicons sell for they should have 3" or bigger 3/8 wall tubes that you can run 37's on and give it a decent beating without bending them. Maybe i expect too much out of a $40,000 "offroad" vehicle.
If they built it right the first time, you wouldn't be able to spend as much time repairing stuff....

It's a JEEP thing...LOL
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Old 06-12-2019, 07:26 PM   #19
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If they built it right the first time, you wouldn't be able to spend as much time repairing stuff....

It's a JEEP thing...LOL

lol jeeps are fun to work on when the timing is good and you can do it at your leisure. I just dont like unexpected snapping sounds and a tire and axle shaft walking it's way out the side of the jeep when you are trying to climb a hill. Or in a mud hole, or it's raining and you are hundred of miles from home with only basic hand tools and no spare parts.

My lunch box locked D35 served me well though and it's now in a friends YJ on 33's. I told him to avoid shock loading it and it *should* serve him well and go a lot of places, until it dont lol. We pulled the shafts out of his old D35 to use as spares if one should ever break. Bad part is i will be the one replacing them when i should be wheeling at a offroad park i paid to wheel at. So the D35 continues to haunt me and it's not even mine anymore.
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Old 06-12-2019, 10:07 PM   #20
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Dammit I miss my jacked up suburban.....
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Currently in the stable: .....97 tj 2.5 5 speed stock... 97 tj 4.0 5 speed stock....04 tj 4.0 auto 4" and 33's... 98 tj roller for future build... 94 yj sahara 4.5" RE and 33's... 92 yj sbc 3/4 ton axles and 38's... Cj5,7,yj,xj,ex mud dragster project

TJ dash speakers that actually rock! Kicker sub and amp in center console
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Old 06-13-2019, 03:55 AM   #21
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The TJ D44's were not real D44's they were a D35/44 hybrid D44 center and D35 tubes. I dont remember if the XJ D44's were built the same way or not.

The Isuzu D44's had larger diameter tubes not sure about the thickness. Jeep skimped a lot when it came to building axles i think the JK next gen 44's even have small thin tubes.

For as much money as the Rubicons sell for they should have 3" or bigger 3/8 wall tubes that you can run 37's on and give it a decent beating without bending them. Maybe i expect too much out of a $40,000 "offroad" vehicle.

So buy a TJ/YJ take that 40 grand and build your ultimate rig


Folks can build any axle set to fit just about anything. For the type of wheeling I have in my area a S35/D30 combo is more than adequate. If I were building for more extreme it would be a set of D44/9" or a set of 60's.
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'94 YJ 5sp 4.10, Super 35, HP30 w/Aussie, sitting on 33's, RE chromo drag link, 9500 Lb winch, 4" lift, 4x4 Posi Lock, it's a resto-mod in progress.
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Old 06-13-2019, 10:07 AM   #22
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So buy a TJ/YJ take that 40 grand and build your ultimate rig



I did
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Old 06-29-2019, 12:09 PM   #23
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You have to remember that low range and low gears multiply torque and shock loading further multiplies force.... adding a locker then doubles the force that a single shaft can see...

100 ft lbs times (numbers rounded for simplicity) 3:1 low range and 3:1 first gear and 4:1 rear axle comes out to 3600 ft lbs... then bounce it and that could tripple to a 10,800 ft lb shock load
How does a locker double the force on a single shaft?
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Old 06-29-2019, 09:26 PM   #24
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Because it allows ALL available power to be applied to one shaft... open diff can only ever put 50% to each at most

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TJ dash speakers that actually rock! Kicker sub and amp in center console
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