Why I like the Detroit Truetrac
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- เผยแพร่เมื่อ 24 ส.ค. 2024
- I Choose the Truetrac over a Locker, My JKU had a Air Locker and I'd take the Truetrac any day.
Detroit Truetrac amzn.to/3Lr8FaD
The Truetrac is a helical gear limited slip differential, not a “locker”. The Truetrac operates by transferring power from the spinning wheel to the wheel with the most traction. If one tire breaks traction, the amount of rotation (or spin) is controlled by transferring the lost traction to the higher traction wheel. The Detroit Truetrac operates on the principle of "torque biasing”: the typical Truetrac aftermarket differential will consistently deliver approximately three-fold the torque of the slipping wheel to the gripping wheel.
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#Detriottruetrack #notalocker
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I have one in the rear of my '99 Toyota 4Runner. I haven't used it for rock-crawling where a person might have a wheel off the ground, but it definitely works on snow, ice, loose gravel, sand, etc.
I think of it like an "anti" differential. It's a differential, but it's sending torque to the path of MOST resistance. The Truetrac is designed to send power to your slower wheel, whereas an open-diff sends torque to the faster wheel (ie. the path of LEAST resistance).
You can just say Limited Slip Differential, same thing.
I love when it locks when you're turning and you're like giving it a little bit of throttle it locks automatically so fun doing a U-turn just smashed on the gas it locks instantly easy to do burnouts
The Truetrac is the diff 90 percent of off-roaders need 90 percent of the time. Locking diffs are great but they're very binary -- all or nothing. The Truetrac's torque transfer is more analogue which is also more forgiving on axle parts. Quiet, easy to drive on pavement and uses plain old 80W90, it's a really good compromise.
Had a Truetack in my Dana 44 in the front of my Nissan Frontier. It was a very pleasant front differential for a 4x4 application. Smooth reliable operation. Never left me desiring more.
I have one in my Mahindra s6 Pikup 4x4 as standard equipment and I can attest to your statement regarding the ability to travel far in 2wd before needing to engage 4wd. It has Ben a gamechanger for m in my usage in African offrod conditions. These include boggy river track, irrigated fields, soft sand, rocky washouts, slickgrasy slopes and dep dongas (lugged or gulies/gulches). I've yet to be stuck, but but there's still time!
Getting a truetrac installed in my 150k mile jk right now. The OEM lsd finally gave up the ghost. Excited to see how it does.
The 06 Ford F450 I had, it had a truetrac, truck is 2wd it sure made a difference, in the winter you really had to be careful in the snow you could get yourself into trouble the ass end would break loose. I'm a believer in TT, they work, I never had any issues with it, you're right about being smart with the skinny pedal.
I’ve been running the true track for years I could not agree more
i've been really happy with the one i've ran in the TJ
@@TestDontguesswhat gear oil do you use? I feel like it engages better with thicker oil.
I’m a firm believer in a limited slip for the rear. People don’t realize that they really only have one wheel drive without some kind of a limited slip differential. I was really surprised to see the jeep had an open differential in the back. I realize people install lockers and such, but even stock I would want some kind of limited slip
And their 4x4 really is only 2wd. I found this out the hard way
We used to call them the poor man’s locker when we were kid’s and couldn’t afford a real locker. There a great system if used correctly.
Ive got an 03 Yukon fullsize that I plan on installing these in. Hopefully they work well in sand, snow and highway use.
This is my second set and I love them
Just purchased one for my 1984 Hurst/Olds. Fresh 3.73 gears with 30 spline axles I can’t wait to see how it performs once it’s installed.
I really like the old 14 Bolt axles! I installed a "Detroit Locker" in my last work van and frankly?? In snow and ice it was not very good! ..On trials and off road (I sever remote areas) it was great, even mud fine!! ... but winter use It's like locking up to often too much.
I'm DEFINITELY trying the Detroit / Eaton Truetrac in this van!! My new van has a 12,000 lb GVW ... same style 14 bolt rear end with duals, It's a bit harder to install than a DL .. but I'm sure I can handle it, one thing with the 14 bolt NO SHIMS!! : )
I love Detroit Truetracs. I ran them front and rear on my '99 TJ and front and rear on '13 Sahara. I have had zero issues with them and I highly recommend them especially for your daily driver/ weekend warrior. The only thing I would ever change would be using an OX locker in the front. I just bought a 2012 Toyota Tacoma for my DD/work truck and I will be installing a Truetrac in it.
My TJ has the OX in the Front. What are your thoughts on the Truetrac in the front differential
@@TestDontguess I have no issues with a truetrac in the front. I believe for a DD/weekend toy you can't go wrong. For all the snow wheeling I've done it's pulled me through. Only reason I would like an OX would be anything extreme.
@@bobsgym Do you have any experience with a tru-trac in the front differential? Does it cause under-steer on icy / snow packed roads like a clutch type limited slip does due to the increased torque required to turn the wheels at different speeds while cornering?
@@insilico3251 I have yet to experience anything like that.
Great... im adding Ox on the frt and TT on the rear next week on my 97 Sahara.
My only dilemma is... I wanted 4:10 / 4:11 gears and my installer is recommending 4:56. It is 5sp. With gas $6.00 gal.... I may regret listening to him. Btw... I don't go off rd except my job my require it in some cases.
Actually looking at replacing the old Clutch Style with this in my Blazer, I can actually use Low Range in the transfer case Without the front wheels being engaged as the front locks up by a Cable ran into a locking T-Handle on the Dash. Front Diff has a locker in it as well. Reason I didnt switch yet was because of people complaining that the TrueTracs are about worthless Offroad or in Deep snow.
This is called a torque sensing differential. Sometimes called "Torsen".
I'm getting a set for my TJ. Thanks for the input!
Well worth the money
They seem like a very robust design. I opted for a disc based LS for my CJ5 (rear) because it seems like the tru-trac would be more suitable for vehicles with an automatic trans. I didn't want to have to ride my brakes while wheeling to get the extra traction. A disc based system doesn't require that. I do like the tru trac concept though.
On newer vehicles that have the brake traction control... That brakes a spinning wheel to tranfer tq to the other. These are even better. The traction control kicks in less often. than with an open differntial and if a wheel lifts and spins the rig will automotically apply the brake to the spinning wheel.
I believe the Eaton TrueTrac is a version of a Torsen gear traction aiding device, or at least it is of a similar design.
The Truetrac and Torsion are SIMILAR in the principle of how they work .. but the actual DESIGN is quite different.
I won't go into too many specifics, but the Truetrac is my choice :)
@@MikeBaxterABC ME too.
Just bought one for the rear in my truck.
enjoyed your video because of what the info you gave me. Thank You for sharing the knowledge !!!
Just priced one of these for my truck...i recall looking over 10 years ago and it was around $450....now its $950!! Thats some insane inflation.
Would love to see a demo of the TruTrac offroad.
Thanks for saying helical gears and not worm gears 👍👍
Unlike an open diff in a wrangler, it will make the front driveshaft turn when in 2wd. So if you have any issues you will know it from the vibration. I personally prefer my transfer case to not be turning 100% of the time. But otherwise I do like the tru-trac.
Man you have that very wrong! Only unlocked hubs would prevent the drive shaft from spinning . Nothing to do with the carrier
@Cole Chalmers yj wranglers have a split axle. So when in 2wd the spider gears turn rotating the axle that isn't locked opposite rotation. So open diff=no driveshaft spin. (Or ring and pinion) install a true-trac and I assure you that it does spin all of it because you no longer have the spider gears.
Actually it is a limited slip because it takes slippage for it to engage.
There is no slippage in a gear system
Do you know anyone with the TRUE TRAC in a 2wd F-150 with the 9.75 inch rear end. My truck is factory limited slip. I want the clutch paks outta there!
Took me a while to get used to my silverado engagement on the posi real axle but slow and steady is the trick.
how is the state of emergency lol
@@TestDontguess The ambassador bridge is open but the protesters have not experienced the best to come yet. 7 pm here the action starts . RCMP roll west next and open the borders next then on to Ottawa for a tune-up . 😅😅
Nice Jerry.That is probably what I am gonna run in my 8.8 also.I don't plan on rock crawling,just camping/ overlanding.👍👍💪
You would be happy with the choice made
Great video!!! Help me make my choices!
Appreciate the insight. Building an OBS Ford with D60 front, DRW HD D70 rear.
It'll be a tree work truck seeing mostly pavement with some slick yards and hills etc.
Putting a Spartan up front, so would you recommend this TT for the rear?
so if the low traction wheel is freely spinning you need to aply the brakes a little right? so it creates ressitance, nowadays this brake application is made by the computer right? the ABS module maybe, not clear to me. thanks!
You mentioned you have a Truetrac on Dana 35? What size tires do you have? I'm thinking about 33x12.5x15 with Truetrac on the XJ and I don't want to break my diff so I'm curious.
Picture on box is a straight up locker instead of the tru trac
How well will this true trac work on a 2019 Tundra TRD sport? Will it interfere with Atrac?
About to order oem for my 84 k20, what would you recommend for the front dif?? They are both open right now
Will this fit in 2002 Tacoma base with 5-lugs?
Can I drift and do donuts with this or am I better off getting a posi with the springs
Do you have any experience with a tru-trac in the front differential? Does it cause under-steer on icy / snow packed roads like a clutch type limited slip does due to the increased torque required to turn the wheels at different speeds while cornering?
I personally would never put one in the front but others have
Actually clutch packs have preload, torque bias, all the time.
Truetrac has has zero preload bias if no power is being applied, and seamless application unless you over throttle it and push it into lockup.
2) Clutch posi have springs compressing the discs. Always a drag between wheels. Both off the ground, turn one wheel and the other turns the same way👍
Truetrac with both wheels up, if you turn one wheel the other turns opposite like an open diff. Locking bias only happens when you apply power against tire resistance.
Hence the apply light brake advice.
Jerry...what's the on-road characteristics? Like would someone notice it in the rear? Around corners? Would I have to teach someone how to drive it?
You will notice it more at first as the internal gears mesh and lap, after about 1k KM’s it will be much quieter otherwise you won’t feel any different driving it
Have a jk could this be run in the back and front differentials , also how would the traction control work with them ?
I personally would not run one in the front but people have and do
@@TestDontguess ok thanks will go with a e-locker
My reason for that saying with a locked front axle it really pulls so if your snow wheeling or other and it engages it may suddenly jerk you sharply to whatever way your turning
I am in the western New York and get a lot of snow off lake Erie , so I can see how it could pull one way or the other on the road
I’m strongly considering putting this on the front and back of my 22 JLU Wrangler. It’s my daily driver and I do some mild off-roading / camping / over landing / snow driving. Thoughts? Anybody do this? What are the pros & cons? Thanks!
I would never install one in the front thats asking for a accident to happen. if you have ever driven with a locked front axle you'll know how dangerous it pulls
@@TestDontguess that’s why I’m asking. Does it act like a locked front axle or like an open diff when in 2wd? The way I’m understanding it is it acts like an open diff when in 2wd as it’s passive.
Do they work in reverse
Do you have any noise when turning? I had one installed in my Dana 30 and it’s clicking and popping on hard turns or when I lift a tire. I also think I may have put the wrong oil(STP 80/90)
I personally wouldn’t use it in a d30 the noise your hearing is most likely from the front axle UJoints
@@TestDontguess why not in a dana30? I did notice some slop in my driver sodet stub shaft u-joint . What oil do you use?
What oil would you recommend i just got a tru trac with 4:10 gears nd need to know what oils i should use
Plain dino oil, 80-90W, Valvoline - no Limited Slip additives.
Thanks man
@@totaldla thanks man
I've used truetracs for many years. I only use Lucas Oil Products Heavy Duty SAE 80W-90 Transmission & Differential Gear Oil. It was recommended by Eaton when I bought my first one. They said no additive or synthetic at that time. I've read some people use synthetic now, but I've had great service just using the Lucas dino based gear oil. I live in a snow belt area and I have not used a better differential for snow. My previous trucks were 2wd and I never got stuck. I have a new style RAM 1500 now with a rear trutrac. Huge difference, I rarely use 4wd for on road.
Vortec is not a LS 🤦♂️
Holly Cash loads 😱 it mus Cost a bit more than my rig 🤪
They are quite cheap to be honest
Great video