Eaton G80 Locking Differential vs Gear Type LSD vs Clutch Type LSD (Yukon Gear Duragrip)
Вставка
- Опубліковано 28 сер 2024
- Choosing the right Traction Aid Device can be difficult. There is gear style Limited Slip (i.e. Helical), there is clutch style Limited Slip (i.e. posi traction) and there are locking differentials (i.e. Eaton G80, Electronic locking differential etc).
So which when do you pick? You have to ask yourself, what type of situations are you going to be putting the vehicle and yourself into, as they all have pros and cons.
In this video we investigate the "lock up" abilities of each style in a scenario where one wheel has lots of traction while the other has virtually zero.
www.fourwheele...
www.flashoffro...
www.fourwheele...
www.treadmagaz...
www.randysworl...
#Locker #LimitedSlip #LSD #Elocker
Music by: DJ Mayson "With Me"
Subscribe for more automative tips!: bit.ly/sub2anth...
Watch my most popular uploads!: bit.ly/anthonyJ...
Check out my Amazon storefront www.amazon.com...
Website: gofasthavefun.ca
Instagram: / anthonyj350
Twitter: / anthonyj350
Facebook: / aj350
Shop: www.amazon.com...
E-Mail: info@gofasthavefun.ca
T-Shirt: teespring.com/...
Music available - www.jinglepunks... & www.epidemicsou...
Intro - "Heartbreaker'" - Gloria Tells
Outro - "I just can't change my Emotions" - Basixx
About AnthonyJ350
I am a Mobile Electronics Certified Professional 12 Volt Installer (MECP Certified), Business Management Graduate (KPU), with a Professional Driver's License and a genuine automotive enthusiast who loves working on vehicles and I want to share my experiences with you. The goal is to help other people who can hopefully learn from my unique outlook towards vehicles, experiences and working practices.
Please feel free to ask questions or give feedback either in the comments or e-mail me.
New videos every week.
Please check out official web site (www.gofasthavef...) for our disclaimer as we are not professional mechanics but experienced automotive enthusiasts sharing our experiences and providing entertainment content.
Go Fast Have Fun provides the content in this video, for information and entertainment purposes only.
The information in this Video presents guidelines to help vehicle enthusiasts modify or repair their vehicles and to demonstrate what car culture is all about. Go Fast Have Fun make no representations or warranties of any kind, express or implied, about the completeness, accuracy, reliability, suitability or availability with respect to the Video or the information, products, services, or related graphics contained on the Video for any purpose. Any reliance you place on such information is therefore strictly at your own risk. Nothing presented should be relied upon you for your modification or repair plans for your vehicle and is not in any way professional mechanical advice.
Go Fast Have Fun strongly recommends you consult with a professional automobile mechanic to ensure that any modification or repair plans for your vehicle are appropriate for your vehicle.
In no event will we be liable for any loss or damage including without limitation, indirect or consequential loss or damage, or any loss or damage whatsoever arising from loss of data or profits arising out of, or in connection with, the use of this Video and the information presented within it.
Go Fast have Fun
Canada
Eaton G80 Locking Differential vs Gear Type LSD vs Clutch Type LSD (Yukon Gear Duragrip)
• Eaton G80 Locking Diff...
ANTHONYJ350
/ anthonyj350
everyone hates on the G80 but i really like it , i think it works awesome
It does work well, as long as you understand it's pros and cons. I find on the street and service roads a traditional LSD works better because it's always engaged and gives better driving characteristics even for handling, but the G80 has more lock up.
It seems, in my limited experience, that most of the people I see complaining about the G80 are using it somewhat beyond its intended purpose. This is fine, but I try not to call something trash merely because it won't keep up under those conditions. Mine works great, but I don't rock crawl or do any bogging in my Suburban.
Agreed, the G80 is a great option for a Mainly road use vehicle. The people that have bad experience with them are using it Off-Road in aggressive ways with oversize tires. What happens is when the G80 engages under harder acceleration (1 wheel stopped while the other wheel spins under throttle) with bigger tires is the ratcheting action of the G80 can strip and cause permanent damage.
I had a 02 Silverado 2500hd LB7, 4x4. I pulled heavy gooseneck trailer with heavy dumpster to the landfill. The landfill is always 2 feet deep mud, slop, and trash. Having G80 and just pushing through that shit without having to worry about locking anything is great. Just go to 4 low and hit the gas. Eaton is an amazing engineering company. Their products work.
I have an 05 Avalanche with 3.6xx gears. The government lock works just fine every time. I use the truck for daily commute as well as hunting and snow plowing. They are beasts if you don’t abuse them. 172000 miles on mine.
Awesome! Thanks for sharing your experience.
My 98 going strong with 250000
I can honestly say... The g80 puts in work. It makes rainy days far more enjoyable.
Yup
Until it explodes
@@thomasdearing7718 only a problem in the 8.5/8.6 diffs. The 9.5 and ups do not have that problem, and to be fair, many don't have issues with the small diff versions either. But having blown up an 8.5 G80, I can attest to it being true with them.
OP, thanks for the side by side comparison. Very good example of why LSD/Posi is not really a good choice in a vehicle that sees even moderate off-road use. The G80 and and true locker will walk all over an LSD, especially when a tire loses all traction such as ice or lifts off the ground.
@@doriany3106 that Detroit tru trac I just had installed with 4.88 gears appears to hook up quicker than the old g80. I am still doing my break in but going to the hunting lease and driving through the washouts I was able to go in 2x4 without breaking traction. Normally it would been spin city and 1 wheel peel.
@@thomasdearing7718 G80 uses wheel spin (well, a differential of I believe 200rpm side to side) to lock, so you will definitely get SOME wheelspin initially, which the Truetrac eliminates for the most part. However, as plenty of Truetrac videos show, one tire with zero traction sends it back to open diff mode, where the Gov-lock will stay locked. Under normal driving circumstances I think the Truetrac is a bit better for being predictable, but as terrain gets more challenging, Gov-lock (eatons now calling it the mlocker) bridges the gap between Truetrac and a real locker.
there is a guy on craigslist selling a g80 .this video just sold that rear end . thank you for such a great video
They're good units, just make sure you don't abuse it doing burnouts (too much). They don't like to be shocked ua-cam.com/video/f31WBscnFh0/v-deo.html
@@AnthonyJ350 thank you
Dont waste your money. Mines in pieces right now
@@griffinpierce7691 How much throttle were you giving it? And what size are your tires?
They're prone to break
Well - you know me....... I love my G80! I go on trail runs in my stock 06 Yukon and the people in the midsize Jeeps and Tacomas are amazed at how well the full size Yukon does. The G80 helps me out a bunch. With your new set up, I've heard if you lightly apply the parking brake it will get it to distribute the power 50/50.
Apply brake definitely helps, but I didn't want to complicate the video with driving technique, that's a whole other video. I think in a couple years we'll add a 2013-2014 Tahoe to the fleet and put a True Trac in the front and leave the G80 in the rear. For what I do (as you can see in the video) the Duragrip does what I need it to do. I was honestly expecting better performance on our "ice test" which it showed its preload on the second attempt, but it couldn't hold it for long.
I think the Silverado and a Tahoe in the future would be a good combo for some comparison videos, what do you think?
@@AnthonyJ350 I'll be looking forward to it. One reason why I have not put a true trac in the front of mine is b/c they are hard to find do to the fact of the front aluminium diff being the weak point. I've only seen a few over many years break and that was to some extreme abuse. You'll break drive axles and tie rods before you break the diff.
@@jewllake Ya I don't want to build a trail rig (Tahoe is a bad candidate for that). I just want it to be able to crawl on logging truck roads with lots of grip if it rains.
Check this article out www.dieselworldmag.com/gm/ultimate-axle-build-building-a-super-strong-9-25-aam-front-axle-for-your-gm-or-dodge-part-2/
G80 is also great for shenanigans in the winter and drifting a 3+ ton truck in summer. lol
I miss when I had my ZR2, tapping the gas in a turn to get the G80 to lock and making the rear end slide out. I used it as a kind of initiation for new passengers.
Nice!
For the Dodge with the helical (gear type) differential it can't work without resistance, so in a case where a wheel has no traction at all you can add resistance by slightly applying the parking brake. I've done this multiple times with good results. As for the G80, when they get a shock load like it did while up on the blocks it tends to break the wave plate in the diff, then feed the pieces to the ring and pinion. The AAM 14 bolt in the Dodge and GM vehicles are the same except for the carrier used, but they are interchangeable. I have a GMC dually that the G80 failed in so I installed a helical carrier from a Dodge.
Thanks for sharing!
you can also just use the regular brakes to brake-throttle modulate as well. The slight braking force that is required to get the rear diff to transfer torque will easily overcome the front brake's clamping force once traction is gained in the rear.
Have a g80 in my '17 sierra. I wheel on weekends and it works wonders. Zero trouble following jeeps, tacos etc. I usually walk though stuff that get guys with open diffs or lsd bogged.
Nice!
Wait, you have an Eaton G80 or LSD G80?
@@mainaccount4784 g80. Most GMC trucks have the g80. I think LSD was in some of the older cars... but not 100% sure. But I am sure of the G80 I have.
@@mainaccount4784 no such thing as an lsd g80. It's all eaton g80 OR an lsd
@@craigquann cars use "G80" as well. It's just an RPO for a traction device. Cars never got the Gov-lock with G80, always posi/limited slip, trucks always got the Gov-lock with RPO G80.
I was born in Florida and lived here my entire life and stated hunting when I was five until now old . My first 4x4 was a 83 Ford ranger 4x4 with the 2.4 and 5 speed and it was grate off road. Then a 85 gems Jimmy the full size 305 and 700rV a great truck off road a real beast but it sucked so much gas . Then my next 4 4x4s where gm all where z71!with. The Eaton locker 1 st was a 96 Silverado ext cab with the first vortec 350 Eaton 80 locker and this was the first 4x4 i ever had with a locking differential and i loved them right away most rural Florida I spend time in are pure swamp when it starts raining the roads get a worse with every tire track some big ones or from the guys having fun now add in if there's timber work being done and before you know it you find yourself pausing wondering how deep what's the best route and if I get stuck I'm ducked and then you hit the gas and pray for the best some are a inch deep then the next one.will get your adrenaline pumping it's really deep and you're all over the place but I keep my foot on the gas and I don't let off until I'm out but with the Eaton 80 lockers ? Night and day difference and I haven't been stuck yet in none op my gm 4x4s with the locker my other chevys after 2006 chevy Tahoe 5.3 z71 locker I still have it and my 2011 Silverado 5.3 6 Spd transmission z71 locker my best truck off road yet and my favorite one so far
Thanks for sharing!
26 year old silverado 2wd and the G80 still works great
That's awesome!
I have a G80. Have done a decent amount of off roading and it is one of the best things ever (besides a selectable locker Of Course). Sometimes it seems to even give me some leeway before I have to put the truck into 4wd.
That's awesome! Thanks for sharing your experience!
I have a 24 GMC Canyon with auto 4wd 4h 4L and a G80. The nice thing the locker works at any speed. So not the best for rock crawling but a well rounded 4wd system for bad weather, bad roads and muddy roads.
The G80 is a very effective unit for what it's designed for. And it's in millions of trucks.
definitely superior traction, but that aggressive engagement makes it seem like it's a matter of time before something breaks in that mechanism from all that momentum suddenly stopping, especially if it a wheel slips under heavier throttle
The 14 bolts seem pretty strong, the other down side is you have to lose traction in order to get full traction
Thanks for trying, this is a confusing subject for most truck folks. I lost track of which truck had which differential. Your terminology of torsion etc changed throughout the video. Better labeling of the video would help me also. There is some interaction required with the ABS/Traction Control System that might give you better results with one over the other. I'm pretty knowledgable on this subject but questioning what I know now but also what you presented. I appreciate your effort with the video/production/cooked set of rear tires of course, but I'm lost in a fog now unfortunately.
I would start with this video ua-cam.com/video/tesxT2AlArA/v-deo.html
Me 2.... he said g80. On the first 1
I've heard some people don't like the g80 differential, but I love it!! Two-wheel drive trucks in the past, we're terrible in snow or if it was slick,, and my 2015 Silverado, which has the g80 differential in it goes almost like it's 4-wheel drive
It just depends on how you're using the truck. For 95% of people the G80 will work perfectly.
@@AnthonyJ350 , yeah, I'm not going to be out running for wheel drive pass or anyting but I do get in some situations where there's some mud,, and it's already helped me out quite a bit, with some of the other two wheel trucks that I've had in the past I would have got stuck in a heartbeat
EXCELLENT VIDEO! Never liked the “torque biasing” aka geared posi. It can’t transfer a percentage of power when one side has 0% traction-0 percent of 0 is 0 🙄 Using the parking brake is the only way to change that. Clutch posi in the older Dodge Danas were the best-nothing to break like the G80 but some guys would find ways to burn the clutches up in them. You mentioned the Hummers-an older Army truck I liked was the CUCV pickup truck (M1008). Those had 4.56 Detroit lockers front and rear and would fit a 33x12.50 tire with no mods. If you ever find one at auction buy it. Thanks for posting!
Thanks for watching!
You have to use light brake throttle modulation on a geared posi like the Torsen that comes in the HMMWV to transfer torque to the non-slipping wheel. Once you get a feel for how to properly apply BTM, a gear-style diff is dummy proof in 95% of limited traction situations.
@@rugbyguitargod agree 👍🏼
Always loved the G80. Several trucks and over half a million miles.
Thanks for sharing!
G80 is basically savior of my 4x4
They are effective. Just don't abuse them.
Have a g80 on my long bed crew cab 4x4 Chevrolet 3500. I have 37s geared to factory. As long as I'm carfull with engagement stage I'm not worried about gerenading it for overland or mild trail. Fun to test it in 2wd to see capabilities in sand. Yes g80 stays locked till a torque bias from turning on asphalt or concrete unlocks it If I remember correctly.
From what I read the 14 bolt G80 unit is actually really durable and I don't think you'll have issues. Just change the fluid at recommended intervals.
This is what makes a Wavetrac so appealing
There's this video, it's on flat ground. Doesn't look like it has a ton of lock up though, I don't know you tell me
ua-cam.com/video/H3FTG0RVBJU/v-deo.html
@@AnthonyJ350 Well ain't that interesting, haven't seen this video before. Maybe not so appealing after all
@@AnthonyJ350 This all being said, I'm glad i haven't spent any money on a diff for the 370 yet. And now I'm truely unsure lol
@@gambj If it was for a car I would totally do the Wavetrac (I plan to put one in my 350Z). This video is an extreme situation where we examine the torque biasing with no traction on one side.
Your car is for street use so an LSD will have tons of grip, and by nature the helical will help rotate the vehicle when cornering.
@@AnthonyJ350 Looking forward to the video man
Glad I found this. Was just about to order a limited slip for my diff, now do not think so...Thanks
Thanks for watching!
Detroit locker is the only choice. Everyone cries about their street manners on forums, but I daily drove a 3500 with one for almost 4 years and it was invisible on the street and locked up both tires in the dirt.
Thanks for sharing. Probably because you understand the nature of the unit and know how to drive so you would never apply aggressive throttle mid corner. I still think for 95% of people a good aftermarket LSD is going to do the job on the street and mild off road situations.
My 2500 has the G80 locker, but I have to always remember that it is fragile and not to spin the tires too much when off road.
@@rangerismine Ya they're not the strongest units but if you don't abuse it you get good life out of them and they do a good job. If they were that prone to break constantly they wouldn't still be used till now. They started back in 1979.
Detroit or now Eaton way to go clutch pack is for weekend warriors
I have a helical gear diff by MFactory in my 1990 Honda Civic and it's great in the snow.
That's awesome!
G80 is perfect for my needs
That's great to hear!
The G80 isn't a bad diff, with the caveat of when it works. That clanking sound of the locker engaging generally means that it's not long for this world. Gear guys tell me that if you've got 1 wheel on full slick, and 1 wheel on dry, it can lock up so hard that it's destruct after one time, depending on the speed of the wheels. Sometimes, they destruct locked, and other times they're like open diffs. I've got 2 of them in 2 duramaxs.
One is randomly locking and unlocking causing cornering problems, and one is fully locked at all times. Both have become problematic while cornering on ice/ slick conditions as one will randomly decide to lock up in a corner and push you forward, and the other one will do that all the time, even trying to turn to park with cand on the pavement can push you into the next stall as it slips. The intermittently locking one went out while I was semi stuck in mud pulling a heavy trailer with one wheel slipping when it locked. Apparently, those G80 units don't like that kind of situation.
The replacement for the intermittently random locking one of them will be an Eaton TrueTrak which will be similar to the Dodge but more aggressive. When slipping, a light brush of the brake while the wheel is spinning is enough to make it lock up, and locking up suddenly is not generally a cause for concern. I pull heavy with that truck, so I think this will be a better solution.
Right now, I'm looking for a carrier that is like a truetrak that has a manual lock on it. I'll probably put that onto the heavy pulling truck later. I'd like to change the front out to something like that as well.
They're a great differential for most people and situations. I did a review on it years ago ua-cam.com/video/f31WBscnFh0/v-deo.html
I have a 2016 ram with Lsd and a 2005 chevy with the locker. The chevy out performs the dodge on every level , traction wise
Thanks for sharing your experience!
Quick tip for LSD's once you experience tire slip stab and release the brake real quick this can help "Lock Up" the rear LSD. Modern traction control does this automatically using the Anti-Locl brakes to slightly engage the brake to the tire slipping in order to help the LSD engage.
Also Full throttle with Gear type LSDs and G80s can cause damage when the differential engages. Something to think about if you find yourself in a wheel spin situation.
Thanks for sharing!
The gear-style LSD like a Torsen requires a bit of brake-throttle modulation to transfer torque to the non-slipping wheel. I feel like that probably should have been demonstrated; even HMMWVs are practically useless offroad if you don't know how to BTM properly (as with any vehicle using a similar style diff)
Thanks for the feedback!
My 2010 silverado with a g80 locks right in at the first slip of one of the tires.
Nice!
Not mine. I have a 2000 chevy z71 with 35 inch tires and my g80 dont lock in most of the time. I am going with detroit tru tracs and 4.88 gears. I do know that the truck was rode hard in the mud before I got it. The g80 is making ratcheting noises when trying to lock in
@@thomasdearing7718 I've heard really good things about the Tru Trac. My next truck will be 4X4 and I'll leave the G80 in the rear and have a Tru Trac installed up front.
@@AnthonyJ350 I am a chevy guy and I have had g80s for years. They are ok for daily driving. You must remember what the g80 is intended for. The g80 is a slow speed traction device. If you treat it as such it will do you some good on stock or near stock size tires. In my experience any thing over 33 inch tires puts severe stress on the g80s weak design flaws and can cause carrier damage. I have had one in a cucv m1009 with a 6.2 turbo diesel on stock 31x10.50x15 tires and never had an issue. The g80 was in the front and rear. The g80 in the front was a bad idea but i got it free and run it for 4 years.
@@thomasdearing7718 Your diff might be broken or something. My 07 silverado with 200k miles locks right up no problem.
I live in the Fraser valley as I can tell you do as well. I just sold my 2009 Silverado 1500 with the 5.3 and a g80, and bought an older 1999 5.3 which also has a g80 but I am lead to believe the gov and cam gear are culprit to the locker not working. I am torn between what to do as far as rear end goes. I’d like to rebuild this unit but I can’t seem to find a governor or cam gear anywhere. My parents have a cabin up at hemlock and I spend allot of time skiing up there as well as Manning park in the winter. I loved how the g80 drove in the winter, and even though I had 33’s on my truck, it took tons of abuse from multiple minute long brake stands and donuts on dry and wet pavement (4x4 ext cab short box) and I never once had an issue with it. I’m not sure if a full on Detroit locker will be too much, but I don’t like how the Yukon and Truetrac acted as you tested them in the video. How is your Yukon on the roads we have here in the Fraser valley? I like to do burnouts, occasionally go sideways in the rain and my parents driveway at the cabin pulls out onto a hill, usually slide backwards until you put your wheel in the soft stuff and let er eat.
In this video situation the G80 shines. However for wet roads and even dry the Yukon Duragrip is much better. I can feel the truck rotate more when I apply throttle and the rear does have lots of drip with no noise. You can put in stronger springs and put in Eaton carbon discs if you want. This is how it works in other situations ua-cam.com/video/uVxLAoJZuOo/v-deo.html
GM's G80 locker and G86 limited slip both work very well for oem differentials. No need to reinvent the wheel guys.
Depends on how you're going to use the vehicle. For majority of people yes they're perfectly good.
The diff in that dodge is the best lsd design on the market and also the strongest and most reliable. The operator needs to know how to use torsen differentials however. If you wouldve drug your foot on the brake a hair it wouldve locked up immediately. And yes that dodge diff is a torsen style.
Thanks for the feedback!
Bingo. That's exactly what they taught us when I went to AM General's HMMWV driver course because you have to master brake-throttle modulation to really use the HMMWV's Torsen diffs to their full potential
G80 all day. Eaton engineers have been eating the competition's lunch for a long, long time. Isuzu -> Allison -> Eaton -> Nitto. You get out of tough situations on the back of these great engineers. That combination is STOCK for GM.
Thanks for your comment! The G80 is a great low speed traction device. There are situations I find a helical or clutch LSD works better though.
The one thing about the G80 I don't like is, you have to break traction before it engages. I do like the 50/50 torque bias though
Hmm... I have a Jeep Rubicon with air lockers. I never slip. Unplowed snow roads 15% grade, no problem. I've never been close to getting stuck. Even when air lockers off, no problem on wet pavement in 2WD. No clunking, chirping, slide outs. I need to do some research. Whatever Jeep uses in their Rubicon with a Dana 44, I want to add to my 74 Chevy K5 Blazer with an open 12-bolt.
Thanks for sharing!
On your tests, when one wheel has no traction at all you need to barely give it brake at the same time. It will provide some resistance and tq will transfer to the wheel that's sitting still.
We were apply a little e-brake during the test. Being on that incline really changes things vs being level
@Cousin Jimmy Farha Yet that's what the engineers intended it's purpose to be when they designed it and name it that...
@Cousin Jimmy Farha You're the first keyboard warrior of the week, congratulations!
@Cousin Jimmy Farha Keyboard on hero, keyboard on.
I've never had an issue with the g80s but I also understand that it's a low speed device
Thanks for sharing your experience!
My 1994 Suburban 1500 has the G80. After 260,000 miles, she gave out on me. I bought a used one on ebay for $250, and we're back on the road.
Nice! Thanks for sharing your experience!
I drive an 07 trailblazer 2 wheel drive with the g80. And gone up sand dunes dodge 2500 and ford 2500 get stuck half way there. The only truck that went up was another chevy. Ond i was the only 2 wheel drive. Lsd garbege, g80 awsome
What kind of tires were you using? Did you air down a lot?
Iv had and like the Chevy g80 you said might still be locked easiest way to be sure is to simply stop and back up ten foot always unlocked mine but the only time any of mine would stay locked was if I had been in a real bad place and having to go from drive to reverse to get out I love possitraction I guess it's because at 17 I bought a 69 roadrunner that was full possi all the time I didn't reply have as much a problem with it like I hear people talk about as a daily driver I drove that car for 3 years every where I went and dragged it ever Friday and Saturday night till nobody would race me anymore that 440 4 speed and 411 full possi was a wicked bitch
Thanks for sharing!
The factory locker was good in my Denali 1500 until 55,000 beating miles. I put an Eaton in and it was just as good, no lag. The factory does its job, just falls apart with anything else 50 to 70,000 m
Thanks for sharing your experience!
OK. So did the Chevy that got moving right away with a wheel in the air and on simulated ice have a G80???
Yes it did.
those easy flares look awesome!
I highly recommend them, I have a few videos on them.
I don't get limited slip for off road situations.. it's usually a ratio of torque on each wheel. If one wheel is free spinning then a 1 to 3 ratio of 0 is 0. Doesn't seem good if one wheel is just spinning in ice or mud.
My limited slip works decent with ice on the streets, but I see what you're saying.
I really hate all the negative feed on g80's. Gm kept it quiet for a little while because they knew people would abuse them and use them for completely the wrong purpouses and make ford and dodge scratch there head and say wtf. Cant get to number 1 by telling all your secrets. It does what is intended. You wanna drag race then g80 is not for you. There are differentials for that purpouse. My 95 4x4 suburban with few mods 4 inch lift and 305 70's swapped 3.42's for 14 bolt corporate 3.73 g80 is a full blown beast in 4 wheel drive. 4 yrs owned never stuck and pull down a house but i never take it drag racing.
I think that's also the thing, people always 1 product that does EVERYTHING well. Also I think you have a 14 bolt makes a big difference because full floaters are much stronger and it's probably mostly 10 bolts that break.
The G80 is a fantastic unit and has been used since 1979. With millions of them out there, you're for sure going to hear about failure stories. Thanks for watching and sharing your experience!
Not the full float. The 9.5 inch. Is a k1500. Got lucky and bought it from dodge guy that didnt know what he had. I did explode the original but it was 25 yrs old and also broke tranny in process.
@@jasoroger1737 Right on, what brand of gear oil do you use in it?
I use 140 90 gl5. Can't remember brand off hand. Been a minute. So far so good. Is a toy for me and I abuse it. 2 rear ends 7 transmissions 2 engines soon 3 front diff change cuz of ratio in rear 6 front axles omg u joints tie rods snap. Only thing original is tcase for some reason.. everything reffabed by me to be stronger and take a beating. Ehh trial and error.
G80 is great for off road situations like muddy hills ext dont rock crawl with it or do burnouts
It's definitely effective, as long as you know its limitations.
G80 os just the GM RPO for a limited slip differential. It is not specific to the gov-lock. I have multiple GM vehicles with G80 but everything from an Eaton clutch style, a Torsen, to a cone style, and even a gov-loc in my truck. All have the RPO "G80"....
Thanks for sharing. When was the last time GM offered a clutch or torsen rear differential in their full size trucks?
@@AnthonyJ350 couldn't tell you. I don't mess with trucks as often as I used to. I don't think I've ever seen a Torsen in a truck, honestly.
@@davidparrish1205 I think only Ram uses a Torsen style
The full spool in my front diff paired with a clutch style lsd in the rear gets me through everything I need it to
Nice!
You need to ride the brake a bit with the torsen to transfer the power.
Thanks for the feedback!
Did you replace the G80 with a clutch style posi because it was malfunctioning? I've been talking good about the gov lock for 20 years but recently I seen one that would get stuck locked, and right now I have a 2012 silverado that is getting stuck locked for a few miles before it releases. Which doesn't mean that much, but I've never seen a clutch type malfunction except wearing out.
I had a Yukon Duragrip installed because I was putting the differential through more abuse on the street and I wanted something that was more predictable on wet pavement.
I think the G80 is still a fantastic unit, just wasn't doing what I needed it to do for how I was using the truck.
I have videos of the G80 and Yukon Duragrip in low traction scenarios.
@@AnthonyJ350 honestly I'm not so worried about how they perform at the moment. I do think that's interesting but, My daily driver is starting to get stuck locked so I'm just looking for any info on it. I think I'm just going to have to pull the cover and take a look instead of speculating. But yeah they work good until they don't lol. Thanks for replying
@@davidcraft4909 Try a good gear oil like Redline. That's what we use in our vehicles.
@@AnthonyJ350 ok
Sold me on a locker.
Glad the video helped!
My Mahindra Thar (Indian licensed Jeep) has a rear Eaton locker ! Damn ,thing is better than even traction control!
That's really cool! TFL offroas just covered the Thar I believe.
@@AnthonyJ350 well yep ,but that's the new one ! Mine one is an old one and has more resemblance with the cj7 , basically with Roxor tub ! You see a Roxor ,but with a shorter windshield ,doors ,a proper dashboard ,etc ! Also a 4 banger that makes 105 hp and 280nm of torque unlike the 60hp Roxor ! Finally an independent front suspension ,which is not so cool !
An Eaton Locker is not the same as the Eaton Locker G80 found exclusively on certain GM vehicles.
A rust inhibitor that's hard on rubber? How does one use this product on a vehicle without getting it on rubber?
Spray the frame and inside the sheet metal only. This video will help explain ua-cam.com/video/CSuBa69xLu4/v-deo.html
Add a slight application of parking brake on the Dodge and watch it walk off of your blocks, Torsen style diffs need a little resistance to push against... ua-cam.com/video/0UrV4CzIh7c/v-deo.html
Thanks for sharing
That’s exactly how an open diff works too. Example. Toyota Tundra TRD Pro has an open diff in the rear. But with the ATRAC system it pulses the brake to the slipping wheel to transfer power to the traction wheel. True torson works different. You shouldn’t have to pulse a brake to get out of a slip condition sorry. Also, I had different results with my anti spin diff on my 14 RAM 2500. I think that RAM was open.
Yep, that slight parking brake application causes the non slipping wheel to become the one with least resistance and BANG, you have traction.
I see @1:05 you have the roadmaster suspension. How do you like yours? Do you have it at max setting or lower?
I have it on the max setting. I love it, I think every leaf sprung truck should run them. The suspension works so much better.
@@AnthonyJ350 I put them on my RCSB Sierra. 4.8 and I pull a 30ft RV. 28RL vibe. I'm so glad I put those on I won't have a truck without them. I have a quick video on my channel of me towing the trailer. No take offs or accelerations but cruising at 70 and reading my gauges on my tablet mounted in the dash. The roadmaster setup paired with my Hensley hitch and it's a dream
G80 in my Trail Boss is no fun. Don't even get to use 4 wheel drive when it snows.
So it works well for you?
@@AnthonyJ350 Yeah compared to the old open diffs. Snow covered roads and the Trail Boss in 2wd goes just as good as the old ones in 4wd.
I heard a theory that traction control with gear type lsd will work very strong, if you can can u please test it? I’m considering a eaton truetrac gear type lsd for Lexus gx470 that already have atrac(name of the brake based traction control system in Toyota & Lexus body on frame 4WD vehicles) Thank you very much
Maybe one day I can test it. That would be a great setup because the traction control system would only apply braking to the wheel that is loosing traction and help transfer power to the wheel with traction without applying the brakes there. If that makes sense.
A like and sub because I too, live in the valley
Thanks for watching!
The reason it works like an open diff in the air is because it multiplies the torque by about 3 3 multiplied by 0 is still zero.
Yup
is this the Torsen like diff that multiplies the available torque.
If so that makes it pretty useless for off-road.
@@richardschofield2201 They're good when both wheels are on the ground. You also have to factor in different brands will offer more lock up and/or torque biasing than others. I like Eatons TruTrac a lot.
@@AnthonyJ350 I reckon the gear type is a great choice for a road car trying to get power down in the wet, but off-roading it's all too easy to pop a wheel off the ground.
I wonder how traction control compares?
@@richardschofield2201 torson lsd works very well off and on road . Much better than auto locker .
Yes why selectable works better off road its useless on road.
For toy that does booth its best of both worlds and loose very little over a locker . Been playing in jeeps 20 years.
Which one is the best for sideways burnouts? E locker?
I would do an aggressive limited slip.
FYI the G80 is not a true locker, when it "locks" all its doing is engaging a set of clutches, that will eventually wear out and need replaced just like in the Duragrip. True lockers are all mechanical engagement and have no clutches in them. The G80 is also nicknamed the Gov Bomb because it has a reputation for exploding when abused too much.
To be fair look how many millions of the G80 units are in service. They've been equipped since 1979 so there's definitely going to be failures and abuse.
Isn't it fair to call it locker since power distribution is true 50/50 even in slippery conditions. There's no rule on how, I thought it was based on power distribution and lock up ability.
@@AnthonyJ350 Its not 100% lockup, the clutches will slip if there is too much of a traction difference and enough torque is applied.
@@Lray4x4 What scenarios will there be too much traction on one side compared to this video?
@@AnthonyJ350 There are several situations where you would be giving it more throttle than in the video and one wheel could loose traction, also it would become less effective the more it is used since the clutches wear out. Its not rocket science all you have to do is look at an exploded diagram of the G80 or watch a video on how it works and you can clearly see the clutches.
@@Lray4x4 I'm just saying it's more than enough for the average person, and when I had mine it did what it was suppose to do ua-cam.com/video/f31WBscnFh0/v-deo.html
Ride the brake slightly with the LSD. It'll start to move power
Thanks for the tip!
setting the parking brake just enough will cause the LSDs to engage.
Yes
I don't understand. If you go read Eaton's literature, all their stuff puts power to the tire that is gripping.. not to the tire that is slipping. So why is that not happening here? I can't imagine a world where a limited slip diff only works when both tires have traction.
A lot of scenarios you'll have some momentum and surfaces that are low traction but some grip i.e. a gravel road. Or maybe you have similar surfaces on both sides. The scenario given in the video is rare, at least in my experience.
Unless it's a locker, only so much power can be transferred.
I don’t understand why gm and ram don’t put manual lockers on like Ford.
Majority of consumers will probably dig themselves deep until it's too late. Automatic versions may help keep momentum in 90% of average user situations.
I have the G80 in my 98 Silverado
Nice!
Ok
What if you have a G80 that isn't an eaton gov lock?
It's a great low speed traction device.
@@AnthonyJ350
Not what I was getting at. GM has 3 different G80 LSDs.
If your vehicle is listed as having a G80 doesn't necessarily mean it has an eaton gov-lock.
@@edmundanderson657 Hasn't it been the auto locking differential since 1979?
At least since the 1999 trucks they all seem to be this version.
If it is a truck, being used as a truck, it HAS to lock. If it is a grocery getter, then a flaky lsd can get that done.
Sooooooo 1 ton Cummins Rams use a gear style LSD. Not a truck???
I have both Dodge and gm trucks in the yard. My Dodge with lsd runs more like an open diff. My GMs with G80 go places in 2wd that the Dodge has troubles going in 4wd. So … yeah. When the weather is foul and road conditions poor (ice, snow, or slippery snotty backroads), I will only take a GM out. When conditions are fair, I might take Dodge out.
This is a G80 commercial. The G80 is good for on-road, but that's it. And pray you don't ever load it up like that, it will explode inside and destroy the diff.
The Torsen type LSDs are the least useful, as they don't really work as advertised.
The clutch type LSD is good for many different situations. And it doesn't spin like depicted in this video unless the clutches are totally worn out. A clutch LSD is what many call a "Posi" and will spin tires on pavement under any traction condition. I have that type in my Jeep in the rear, and many times I don't even need 4x4 because it works so well.
So, this video is deceptive.
Thanks for the feedback
OK,, i am confused! You lost me! I thought he 3rd was the g80! I thought he 1st 2 truck rears were useless in both tests,, but at the end you went on how they were good for certain situations! I thought they didn't work at all! This video confused me! Now I don't know what to replace my 02 silverado g80 with? keep it g80? I had the g80 go in a 99, my son was doing to it what you did at the end of your video,, and an 02 while just driving down the road with 130k miles on it! Spiders went and busted the carrier housing! I saw an ad for a powergrip lsd, which sounds good, but in your video, i assumed was the 2nd truck,, which it didn't work for crap! I want to stick with the g80 if thats what the 3rd truck had,, but if they just grenade all the time,, I don;t know what to do here! ugh!
Sorry for the confusion. The G80 is a great differential for low speed and when you have zero traction on one side like the video. On the street in the wet and abuse, LSDs might be the better option. LSD can work well off road, just depends what you're doing. Here's a video with the Yukon Duragrip ua-cam.com/video/uVxLAoJZuOo/v-deo.html
They say you can use the brakes to lock up a LSD if a wheel is in the air. Is there a way to do this in a manual trans?
You can apply the parking brake partially to achieve this.
@@AnthonyJ350 good to know! I have to look into fixing it bc I've replaced the shoes twice & adjusted the tension and it still doesn't work - 2002 Sierra 1500
@@guitarguy3221Might need to replace the rear portion of the cable
@@AnthonyJ350 I'll take a look at that thanks for the reply!
Do all z-71s have g80's? And does the g80 locking rear diff ever break?
I want to say all Z71s do because my base model work truck had it. Look in the glovebox for RPO code G80. They're a low speed traction device so if you are aggressive or like to do donuts you can grenade them.
If you don't abuse your gear and change the fluid regularly, it will last a long time.
@@AnthonyJ350 ya my truck is a 99' 5.3 but it still had the option code order sheet in the glove box and I did see where it had g80 designated on it. Thx for the reminder about not doing donuts in my truck bc I love to do them, but I just pulled the cover and the fluid looked good so it had been changed regularly prolly since theres a drain n fill plug, but the magnet had lots of metal on it but it was just shavings from 240k miles of use on 33in tires so I'm positive it's in good shape then. Thx for responding and keep the GM vids coming!
Unfortunately when G80's go... it's with a bang
What are the purpose of open differentials they are so useless they aren’t good for off road or rock climbing or towing or racing or drifting or burning out
Wheels need to spin at different speeds when turning, like in a parking lot or on a corner. Limited slip differentials came along to give traction and still allow that property. Here is a demonstration ua-cam.com/video/SOgoejxzF8c/v-deo.html
G80 DIFF
Any Additive ???
or Just Straight LUBE
You can just put in straight synthetic gear oil like Wolfehead, Redline, Lucas or whatever your preference is.
If you are referring to the Eaton Locker G80 then you must use the GM fluid listed in the manual. I tried Mobil1 synthetic (came with no LS additive) and the differential started to growl on turns, barely noticeable but I switched to the factory oil and after a few days the growl slowly disappeared. Even thought Eaton says not to add any LS addittive in their G80 locker (unique to certain GM vehicles) the OEM GM fluid contains some agent, as for the type and qty I could not find out.
The burn out run, the transmission shifts sounded terrible!!! A mechanical gear /smack sound doesn't sound so good!!! Topical 4l60e trans!!
I don't know, the truck has served me well for over 13 years and I still drive it.
That Yukon didn't do much.. and i just put in a order for it.. waste of money?
Watch the Duragrip in the action here. I run Redline gear oil for clutch LSDs now ua-cam.com/video/uVxLAoJZuOo/v-deo.html
What brand of geared ls was that?
Factory in the Ram. Look into the Eaton Trutrac
Well I just bought the duragrip and I would say that one probably wasn't installed correctly
Have you tried 0 traction on one side, uphill, from a stop? It has Redline fluid in it now. Works good in this video ua-cam.com/video/uVxLAoJZuOo/v-deo.html
You realize LSD doesn't like it when one side loses traction altogether by design. Now if a vehicle has traction control and can grab that spinning wheel with the brake, LSD can divert a lot of torque to the other side. Or you can left foot brake it ( which holds the vehicle back a bit because all wheels have resistance now, or you can apply a little parking brake).
@@AnthonyJ350 I have just a little bit of experience off road lol
@@dirtsailoroff-road5580 Probably a lot more than me. But did you try lifting a tire or putting one on ice to see how the Duragrip transfer power over?
You can see the Duragrip work here and it was grabbing ua-cam.com/video/tesxT2AlArA/v-deo.html
I have a rear factory G80. I doubt that I would choose it again. It took me a while to figure out why one 4WD Suburban with a G80 seemed no more capable than another with open diffs.
But after some obervations as somebody else drove it and a bit of analysis it became clear that the "feeling" was based on actuality.
The G80 works exactly as designed **in 2WD** (as all the UA-cam videos show).
BUT in 4WD use (especially SLOW 4WD) the G80 can rarely engage, since the wheelspin it must have requires that a FRONT wheel be spinning too (Yes, note that front and rear drivelines are locked together so you can't rev any wheel without turning BOTH driveshafts and everything connected to them).
That may be fine in a mudpit but is nearly useless here in the dry rocky west where the ideal differential would be capable of locking at "stall" to AVOID wheelspin when getting underway or creeping.
By design, the G80 is utterly incapable of that, so it just operates as an open diff about 99.5% of the time that 4WD is being used.
Your rear wheels can still experience slip independent from the front for the G80 to engage. Watch the Fast Lane Truck testing GM trucks offroad. They show it engaging and talk about it all the time.
@@AnthonyJ350 Tell me how, with a standard transfer case (no mid-differential), the front driveshaft can turn at a different speed from the rear driveshaft.
My comment was based upon my observations, MY USAGE (which I specifically described) and, most importantly, subsequent analysis. UA-cam videos commonly tell only a part of the story - often very incompletely or innaccurately. I never suggested my description applied 100% of the time.
@@DirtRoadie Your wheels on each axle can still spin at different speeds, hence the need for traction devices. Does this video illustrate it?
ua-cam.com/video/IcYLju1lQ5s/v-deo.html
@@AnthonyJ350 Not even close. That's very obviously a demonstration of a vehicle in 2WD, even if the title suggests it is a "4x4." It is not remotely possible that the front wheels are being driven. With driven front wheels on dry pavement the vehicle would move instantly, even with no "push" from the rear wheels.
@@DirtRoadie OK how about this video where they test a truck with 4WD and the G80 ua-cam.com/video/nkzP5twoE9A/v-deo.html
Chevy Silverado all the way❤❤❤
Thanks for watching!
I see alot of good reviews about the g80 but no one ever talks about it being a ticking time bomb I've gone threw 3 lockers I switched to a tru trac diff and that diff does wonders havnt broken it an it does not slip or dont need to lock it what's so ever
I don't think they fail as much as people think (unless you are trying to drift it or do a lot of burnouts). There are millions of these units in services and they've been used since 1979.
These have 4x4 on?
Test was done I'm 2WD. Wanted to see how the differentials react.
How to instal this locker?
I would get a drive train shop to do it. You want someone with lots of experience.
@@AnthonyJ350 thank you
Lsd garbege. G80 awsome.
Thanks for sharing. Just remember Hummer H1s use a torsen style LSDs.
If you have to hold the brake to spin the tires you need more motor. Torsion is definitely my favorite set up. They are supposed to have some type of side clutches that help out. Don't think I would ever run them front and rear I like having a Detroit Locker to make up the difference in the front. Selectable lockers are nice but people don't use them on the street so they're pretty much an open diff unless off road. At least with an LSD you have more traction 90% of the time over a selectable.
Need more motor? These trucks need more power?
@@AnthonyJ350 can they rip tires loose with out holding the brake.
If no then yes .
Holding brake is high school stuff just add in 1 wheel peel .
@@street_legal_go_kart7356 Don't you drive a Jeep Wrangler with a Penstar V6? One truck is a Cummins Ram with some boltons and a tune and the gas Silverado has a mild cam, built transmission and dyno tuned.
@@street_legal_go_kart7356 Not sure why having "a lot" of power has to do with traction devices.
@@street_legal_go_kart7356 Are you trying to contribute so we can all learn, or are you trying to publicly show everyone how big your internet d*** is?
So is this G80 a Torsen LSD?
It's a locker. There's a weight that swings out and locks the differential when it detects wheel slip.
@@AnthonyJ350 Cool thanks =]
Eaton
An Eaton g80 will disengage when you put the truck in the reverse or exceed 20mph.
Thanks for sharing!
I almost bought a Yukon duragrip until I seen this video, that thing was junk lol
I think you're asking a lot given the scenario. It works fine in practical application ua-cam.com/video/uVxLAoJZuOo/v-deo.html
Gov lock beats them hands down.. ive had one in my trk since 1974 no issues. People break them from operator error. 2% rule applies here
Ya definitely depends on the application you need it to work. G80 is fantastic but you do need to break traction in order for it to engage.
If I had a choice I'd just remove the rear driveshaft and rely only on the front drives,, that's the logical thing to do,,
Whatever floats your boat.
G80 on offroad and lsd on streets
I agree, but 2WD can work off road if not too crazy ua-cam.com/video/uVxLAoJZuOo/v-deo.htmlsi=fvXQxF372tdn_MJa
The duragrip kind of sucks doesn't it?...
You tell me ua-cam.com/video/uVxLAoJZuOo/v-deo.html
I feel like the clutch lsd needs new clutches.
No it's new. We switched it to Redline fluid, but this is a scenario where it won't have good lock up because of 0 traction on one side.
You can see the clutch LSD works well in these scenarios ua-cam.com/video/uVxLAoJZuOo/v-deo.html
Surprised how bad cc c the Yukon did
Ya this scenario the clutch style doesn't fair well. But on wet pavement and dirt roads it has been very good.
If spinning both wheel and going no where is what you want to do, then spools.
Thanks for sharing!
For a real truck you use a locker. For all the posers get an LSD or an open diff.
What's wrong with limited slips?
I have a g80 in my 2wd.
Nice! How do you like it?
@@AnthonyJ350 It would be useless when it snows without it.
@@randykroells8049 Definitely a good traction device like the G80 and good tires will make the truck effective in the snow.
LSD sucks. G80 is a full locker. Most G80 problems come from burn outs or dirty diff fluid or LSD additives in the G80 fluid.
Depends how you're using the vehicle, both have pros and cons.
Your explanations are very unclear and confusing.
Furthermore, you should know that a helical with one wheel off the ground needs to have a little brake applied for the traction wheel to grab.
Poor test.
Thanks for the feedback!
Wow great upgrade on taking the g80 out. Lol not.
Depends how you're using the vehicle. I wanted something that could take more abuse on the street. Also because the Duragrip is always engaging is works better on wet pavement and corners better.
This video shows the limitations in this scenario though. All depends on application.
My next truck will be a 2500HD and I'll leave the G80 in and have a TruTrac installed up front.
Truck works fine in mild off road situations here ua-cam.com/video/uVxLAoJZuOo/v-deo.html
I have a 04 Tahoe z71 with the G80 and love it..check out my channel
Awesome!