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im 1967 and 1968 IH cub cadet's have differential's and without that in there i would not be able to cut tight turns technology has come along way and even vintage tech is impressive
These engineers live on, in Scotty's awesome technical documentaries. We need more of them to push the internal combustion engine to the next level. I've got an idea for a valveless engine. Imagine big cam journals with chamfered holes that line up with exhaust and intake ports leading to the combustion chamber. Eliminating the valves and lowering the parasitic loss of power and raising the operational speed of the engine. You might be able to alter the port timing with cam phasers as well to widen the torque down low and horsepower up high. It might suffer from blow-by around the seals of the rotating port. And thermal expansion between the rotational port cam and the cylinder head may be a problem with dissimilar metals. Let me know what you think about this idea.
I have a Lego Land Rover Defender in my office, and it has functioning differentials and a drivetrain. That's the only Land Rover I'll ever buy, thanks to Scotty, lol.
@@davidscott5903 yea sadly crypto investors feel the needs to force others to invest so they can make a quick buck by selling off and leaving you with worthless bitcoin
@@Agent-lg1mu I disagree. Although Hyundai's are not as well engineered as Honda, I have owned three and never had a problem. My wife's 3.3 liter Sonata has 300k miles and I only had to replace the thermostat and struts.
The Torsten differential has to be one of the best designs I know. It took me weeks to find that out but it’s so clear to me. I have no clue why a car company uses anything less. Scotty, I’ve binged watched all your videos and learned a lot. Too bad I had to give up driving as my vision is not good anymore. I’ve changed my oil, breaks, break fluid, flushed my coolant, cleans out my smelly vents, and I figured out that my MAS (Mass Airflow Sensor) was the problem ($39 on eBay) and not the throttle body assembly as 3 mechanics told me. A savings of at least of $600. Thanx dude.
@Barack Obama because its a distinction without a difference. The LGBT don't have gays and mega gays, lesbians and ultra lesbians, trans and super trans, etc. Its a useless differentiation that means nothing except for that you're insecure about yourself😂
This guy Vernon Glearsman had a few Patents but the True Track type differentila lock was Patented by Walter Trucks in about 1920 Vernon E. Gleasman Inventions, Patents and Patent Applications - Justia Patents Search
In the very early days of motoring, they "solved" the problem by driving only one rear wheel. As to horse-drawn carriages or buggies: They weren't rough riding because of the absence of a differential because all wheels could spin independently on the axles. The axles didn't turn. They were rough because of poor springing, no shock absorbers to limit oscillation and poor roads. Rubber tires (solid) helped a little later on.
Nice history lesson Scotty, love the graphics. My car doesn’t have one and it works just fine. ‘Fine’ is the operative word as the electric motor and reduction gear has much finer control than any mechanical device.
Thanks Scotty, I’ve actually been meaning to look up a video like this and then you come along and make one. You’re great, I’m thinking you should start a mechanics trade school and keep your legacy going. Or one of those master classes. I’d totally sign up. Thanks again Scotty Kilmer
Thank you Scotty very informative video. I was not aware of the T1, T2, or T3 differential variants. I would of never guessed that it was old technology either. Very clever inventors all of them.
Scotty had been ITT technical he needs a car commercial someone sign this man. I do believe Scotty talent was being a mechanic God gave him the right talent be a mechanic think he is a real intelligent mechanic with being comedian at times and explaining everything as now his voice really sounds a straight A student sounds like a teenager.
Had an LSD differential years ago on a buick with many issues. Jeep GC also had some issues. Wore the tires out faster, spun out on turns, wore out/contaminated the gear oil faster, wore the internals faster. Needed too much maintenance. I prefer an open diff with the modern ABS-Traction control system which forces the open diff to mimic a nearly locked diff. Way more reliable, works with wheels in the air as well, and less wear & tear!
Maybe your best video yet, Scotty! I still love Limited Slip Diff. Had a Nissan NX2000 back in 1992 with LSD on front drive. Never had any steering wheel torque at all! It was a fun little pocket rocket with T-tops!
Thank you professor Scotty. I really enjoyed that. I have an 81 Subaru brat with a dual transfer case. Always wondered how the differential on it worked and you made it easy to understand since I’m a visual learner. Looking forward to what I can learn from you next!
Scotty, your video is excellent, you cover an exhaustive survey of differential available technologies. Despite the fact that now many manufacturer are controlling the differentials slipping by computer, the Torsen technology which is a purely mechanical remains the most efficient solution in almost every situation. Many thanks Scotty.
OK... Well, I'm Old School, probably the same Era as Scotty. But let's go back in the day... My Cousin had a Chevy Vega and threw in a 400 CID engine with all kinds of modifications. Unfortunately, he blew out 3 differentials within months. This was back in the early 80's mind you... Anyway, he finally installed the Ford 9", Dual Axel Posi-traction and it worked superbly to handle the 400 HP from the engine. Again, mind you, this was a drag car, not a road racer. Mechanics aside and with computer insight with limited slip and all the other controls. I still believe the old school mechanics that work better, because they were stronger and not a weak, light-weight, supplemental version of what was engineered 40 years ago... And it will cost a fortune to repair when it fails... Don't get me wrong though, I own a 2016 Mustang 5.0 GT with a performance pack 2 with a 3.73 Differential which is very strong, accurate and so-far reliable. But I only have 13,100 miles on the car. I believe the Differential will withstand the HP, but my gut feeling is the transmission will give out first. Just sayin...
You should really have a teaching series channel for all the illustrative videos. These are fantastic , welll made and informative and need to be available for students of automotive technology.
Scotty, it's always great to watch you being serious with detailed explanation as on this video. Don't get me wrong, I still like your Arms flying around, your enthusiasm and your wit. 👍🙄🧓
Geared differentials such as Torsen and Quaife should actually be called Zero-Slip instead of Limited Slip, as the power transfer to the non-slipping wheel is instantaneous. I installed an aftermarket Quaife on my Z and it made a significant improvement in both acceleration and powered turning.
The differential was a good Invention. On four wheeled drive vechicles a third diff might be employed, this is to stop Axle wind up, some early vechicles diff wind up did occur, which meant you did not use 4 wheel drive on hard road surfaces.
Scotty, thank you for your insightful information. I had a LSD installed on my 88' Toyota SR5 truck, but some bad driver hit it and destroyed it in 00'.
My raptor has an electric locker in the rear, and a torsen in the front. I really struggled to understand the torsen, I finally got it after several hours of research. It seems like really dependable technology that will last the life of the truck.
This peaked my interest to look into my 2001 Tacoma's differential and found it has an Open 2-Pinion w/ 3.72 Gears. Apparently 1st generation Tacomas could come with EIGHT different Gear Ratios & 2 or 4 Pinion. Crazy!
Sometimes these gloss over details that I think should be explained in more detail, but I am a mechanical engineer, and a nerd. Maybe that's why my wife and daughter say that I sometimes over explain things. 🤣
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You should be an Indy 500 racer scott.
im 1967 and 1968 IH cub cadet's have differential's and without that in there i would not be able to cut tight turns technology has come along way and even vintage tech is impressive
happy 4M subscriber Scotty............
Hey Scotty I’m thinking about getting a 2012 Mazda 3 with around 100,000 miles for 6k. What do you think?
Hey Scotty, theres someone impersonating you below. Check mixflip’s comment, someone is impersonating you to scam people!
Where was the "Toyota's New Differential is the Most Powerful Ever Made" Diff scotty???
It's a given. Toyota best at everything,where you been?
@@wileecoyote5749 I worked for them for 30 years , I agree but this video shows nothing new by anyone. LC500 🥰
Toyota’s are front wheel drive.
@@walterkersting6238 k
It's in the GR Yaris, and it's not available in America 😂
The engineering behind these differentials amaze me. Salute to these inventors
The inventor of the differential is long dead. Sorry chief
a watch maker
@Scotty Kilmer impersonating a you tube channel is against community guidelines
The engineering behind a lot of things is amazing.
These engineers live on, in Scotty's awesome technical documentaries. We need more of them to push the internal combustion engine to the next level. I've got an idea for a valveless engine. Imagine big cam journals with chamfered holes that line up with exhaust and intake ports leading to the combustion chamber. Eliminating the valves and lowering the parasitic loss of power and raising the operational speed of the engine. You might be able to alter the port timing with cam phasers as well to widen the torque down low and horsepower up high. It might suffer from blow-by around the seals of the rotating port. And thermal expansion between the rotational port cam and the cylinder head may be a problem with dissimilar metals. Let me know what you think about this idea.
When was the Toyota Differential mentioned?? - must have missed it.
Landcruiser and Yaris GR have it. Best and latest. Scotty knows better! Are you a miss-ter?!
It's a given.
Think it was subliminal
He lost his place on the script.
Welcome to Scotty Kilmer.
I have a Lego Land Rover Defender in my office, and it has functioning differentials and a drivetrain. That's the only Land Rover I'll ever buy, thanks to Scotty, lol.
Makes for a heavy paper weight.
It's probably the longest lasting one too!🤣
And the plastic will never corrode. Like the aluminum body of series II and their galvanized chassis that will never corrode.
Scotty could teach a mechanical engineering class.
No joke. Scotty hands out some of the best car information a dummy like me could ask for.
That is literally true... no jokes he, knows how to explain stuff!
This is definitely a subject where I'd need to see one out on the bench.
Our college graduates are bad enough these days, that's the last thing we need
I always learn something new from you Scotty. Thank you for all that you do. I hope you are enjoying the great state of Tennessee.
thank you and yes so far!
@@scottykilmer
Hi Scotty, as you probably know there's someone else on here commenting about making crypto investments and is impersonating you.
@@davidscott5903 yea sadly crypto investors feel the needs to force others to invest so they can make a quick buck by selling off and leaving you with worthless bitcoin
@@fiestafire5781 -Crypto 'Vapor' bits and bytes... Except China Crypto,
backed by solid and sweet, cold GOLD ;}
Last time I was this early Hyundai’s weren’t exploding
I replaced many #4 wrist pins on those first generation toilets
Hyundai's are what now?
@@armandovela4415 exploding piece of junk
@@Agent-lg1mu I disagree. Although Hyundai's are not as well engineered as Honda, I have owned three and never had a problem. My wife's 3.3 liter Sonata has 300k miles and I only had to replace the thermostat and struts.
@@jeremybrown6894 Totally agree.
The Torsten differential has to be one of the best designs I know. It took me weeks to find that out but it’s so clear to me. I have no clue why a car company uses anything less. Scotty, I’ve binged watched all your videos and learned a lot. Too bad I had to give up driving as my vision is not good anymore. I’ve changed my oil, breaks, break fluid, flushed my coolant, cleans out my smelly vents, and I figured out that my MAS (Mass Airflow Sensor) was the problem ($39 on eBay) and not the throttle body assembly as 3 mechanics told me. A savings of at least of $600. Thanx dude.
so where is this new toyota differential???
I was thinking he was leading to that Toyota MegaCruiser but nope.
vaprated!
Dear Scotty you didn’t talk about what your tagline was about the most powerful
Where did we discuss Toyota’s superior differentials? Or did I miss it
Yeah exactly that was the whole reason why I clicked it
Toyota Power! It’s OK to be normal.
I’m no longer living in denial, I am SUPER STRAIGHT
😂😂😂
I don't get it?
JUST WAIT UNTIL I REACH MY FINAL SUPER STRAIGHT.
@Barack Obama
Oh! Now I get it! I didn't know it, but now I am super straight!
@Barack Obama because its a distinction without a difference. The LGBT don't have gays and mega gays, lesbians and ultra lesbians, trans and super trans, etc. Its a useless differentiation that means nothing except for that you're insecure about yourself😂
When I was growing up LSD meant something very different.
Lol
Hey guys you wanna buy some magic?
Kurt King - - after listening to this , I could see why !!!
@@austintomkewitz7206 I got some zippy the pinhead blotter for ya, bro!
The real LSD is like miracle grow for the brain
Lake Shore Drive in Chicago.
This guy Vernon Glearsman had a few Patents but the True Track type differentila lock was Patented by Walter Trucks in about 1920
Vernon E. Gleasman Inventions, Patents and Patent Applications - Justia Patents Search
Everything flew over my head I Think I gotta watch again
In the very early days of motoring, they "solved" the problem by driving only one rear wheel. As to horse-drawn carriages or buggies: They weren't rough riding because of the absence of a differential because all wheels could spin independently on the axles. The axles didn't turn. They were rough because of poor springing, no shock absorbers to limit oscillation and poor roads. Rubber tires (solid) helped a little later on.
Now I know how my favorite part of a vehicle works and why I love videos by Scotty!
Teachers are the best thing!!
Nice history lesson Scotty, love the graphics. My car doesn’t have one and it works just fine. ‘Fine’ is the operative word as the electric motor and reduction gear has much finer control than any mechanical device.
Love the lessons Scotty, especially the history!
I'm amazed at how good the eaton (lsd) locker is in my old 96K1500. Even in 2wd the truck has never gotten stuck!
Great job Scotty keep up the good work I love learning about cars and trucks and how they work you explain it very well thank you God bless
I'm learning more about cars than I ever thought possible. Thanks Scotty.
The Only thing I miss about my 2001 Nissan Frontier is the positive traction rear end. That is all.
Thanks for sharing this information with us!
Thanks Scotty, I’ve actually been meaning to look up a video like this and then you come along and make one. You’re great, I’m thinking you should start a mechanics trade school and keep your legacy going. Or one of those master classes. I’d totally sign up. Thanks again Scotty Kilmer
Thanks for clarifying how differentials work...Really needed this!
Scotty, you make it so easy to understand. Thanks for sharing the knowledge. I reference your videos on so many levels.
Road to 5M subs...... the most car fix helpful channel in youtube... Love from the Philippines.....
Thank you Scotty very informative video. I was not aware of the T1, T2, or T3 differential variants. I would of never guessed that it was old technology either. Very clever inventors all of them.
I recently installed a LSD in my K Series transmission and I love it!
Sorry, I have to ask... a LSD in your transmission? Or you mean your diferential? A little confused here. Thanks
@@oepolo6317 yes, Scotty explains it in his video
I wish scotty was my teacher for every subject...
God bless you Scotty.
In 1960 my dad bought a Ford with posi-traction. Pretty awesome back then.
Thanks Scotty. Always wondered how a differential worked.
I realized, scotty fully understands the anatomy of automobiles.
You are doing a great job.
I love the powertrax no slip. Amazing traction.
Very informative and interesting Scotty, keep up the amazing content!
5:51 bobsledding in a WRX,that's crazy.
😎✌
Still not buying 1
i spent a LOT of time trying to figure this out years ago. this video would have really helped!
Toyota's 94' Celica is the Longest Lasting Car Ever Made.
1979 Celica was a great Toyota
Really enjoy this format. Hope you continue doing videos like this
Scotty had been ITT technical he needs a car commercial someone sign this man. I do believe Scotty talent was being a mechanic God gave him the right talent be a mechanic think he is a real intelligent mechanic with being comedian at times and explaining everything as now his voice really sounds a straight A student sounds like a teenager.
Video's like these makes me appreciate what I'm paying for and getting when buying a car.
Had an LSD differential years ago on a buick with many issues. Jeep GC also had some issues. Wore the tires out faster, spun out on turns, wore out/contaminated the gear oil faster, wore the internals faster. Needed too much maintenance. I prefer an open diff with the modern ABS-Traction control system which forces the open diff to mimic a nearly locked diff. Way more reliable, works with wheels in the air as well, and less wear & tear!
Well explained. It took me a long time to "get" how torsen diff works. You explained it so well
yeah im still repeating it. n now sick of "worm wheel". had to pause it. somethings arent easy to get down.
Maybe your best video yet, Scotty!
I still love Limited Slip Diff. Had a Nissan NX2000 back in 1992 with LSD on front drive. Never had any steering wheel torque at all! It was a fun little pocket rocket with T-tops!
Thank you professor Scotty. I really enjoyed that. I have an 81 Subaru brat with a dual transfer case. Always wondered how the differential on it worked and you made it easy to understand since I’m a visual learner. Looking forward to what I can learn from you next!
Dang....... Some serious editing skills there Scotty ,thanks !
Scotty, your video is excellent, you cover an exhaustive survey of differential available technologies. Despite the fact that now many manufacturer are controlling the differentials slipping by computer, the Torsen technology which is a purely mechanical remains the most efficient solution in almost every situation. Many thanks Scotty.
Bravo...Great Job Again Scotty.
I like these segments. Good work.
Great teaching video Scotty!! Thank You!
Really enjoyed that Scotty. I am planning on putting a Wavetrac LSD in my BMW E46, I have been told that I will feel the difference.
-"Feel the Bern"? ;}
My question is should you change your Differential Gear Lube or just leave it alone like Transmission Fluid?
SCOTTY back at again with the new post!!
Thanks Scotty, good video well explained and a little history.
I try and watch scotty before my wife gets home 😄
my wife said Scotty has voice of opera singer.
So she does not explain differentials to you 😂
Random Videos @ Maybe watch them TOGETHER ? She would probably learn a lot about taking care of her car which would help you both save $$$ .
@@jayhockley8841 True Mr Drum.
OK... Well, I'm Old School, probably the same Era as Scotty. But let's go back in the day... My Cousin had a Chevy Vega and threw in a 400 CID engine with all kinds of modifications. Unfortunately, he blew out 3 differentials within months. This was back in the early 80's mind you... Anyway, he finally installed the Ford 9", Dual Axel Posi-traction and it worked superbly to handle the 400 HP from the engine. Again, mind you, this was a drag car, not a road racer. Mechanics aside and with computer insight with limited slip and all the other controls. I still believe the old school mechanics that work better, because they were stronger and not a weak, light-weight, supplemental version of what was engineered 40 years ago... And it will cost a fortune to repair when it fails... Don't get me wrong though, I own a 2016 Mustang 5.0 GT with a performance pack 2 with a 3.73 Differential which is very strong, accurate and so-far reliable. But I only have 13,100 miles on the car. I believe the Differential will withstand the HP, but my gut feeling is the transmission will give out first. Just sayin...
Great video Scotty! Thanks.
Thanks Scotty Kilmer!
Mazda Mx5 NA. Open, Viscous and Torsen differentials. These educational videos are interesting.
Very interesting. Never thought of all these technical details.
Love learning new things and what vehicles to stay away from thank you
You should really have a teaching series channel for all the illustrative videos. These are fantastic , welll made and informative and need to be available for students of automotive technology.
I have always sought such a simple explanation to it. Thanks Scotty!
Looks like the differential used by VW/Audi since the 80s
My chariot has a Quaife LSD.
Who the heck are the losers giving a thumbs down when Scotty is educating and entertaining us?
Clicked for the Rolls. Stayed for Scotty
Love this type of content. Keep it up Scotty.
Ford Ranger Fx and my 2011 XLT has limited slip differentials also.
Love these documentary like videos
Scotty, it's always great to watch you being serious with detailed explanation as on this video. Don't get me wrong, I still like your Arms flying around, your enthusiasm and your wit. 👍🙄🧓
Scotty Kilmer University i am glad I joined it❤❤❤
I am currently driving a 92' Tercel that was my grandmothers, In Canada. Toyota's are nuts.
Amazing episode Scotty 👐🏻🙌🏼👐🏻 خوش حلقة
Great information!
Geared differentials such as Torsen and Quaife should actually be called Zero-Slip instead of Limited Slip, as the power transfer to the non-slipping wheel is instantaneous. I installed an aftermarket Quaife on my Z and it made a significant improvement in both acceleration and powered turning.
We learn so much from you Scotty. You are amazing. 👍🏻 Thank you! 😊
The differential was a good
Invention.
On four wheeled drive vechicles a third diff might be employed, this is to stop
Axle wind up, some early
vechicles diff wind up did
occur, which meant you
did not use 4 wheel drive
on hard road surfaces.
Scotty, thank you for your insightful information. I had a LSD installed on my 88' Toyota SR5 truck, but some bad driver hit it and destroyed it in 00'.
I hate it when that happens. I lost the only brand new car that I have ever bought to a person who ran a stop sign.
@@davidscott5903 I purchased mine brand new too.
When Scotty isn't publishing videos, he's giving mechanical engineering lectures.
My raptor has an electric locker in the rear, and a torsen in the front. I really struggled to understand the torsen, I finally got it after several hours of research. It seems like really dependable technology that will last the life of the truck.
Great job Scotty very informative
Scotty, these videos are amazing, thank you.
I like to puff on the Cannabis Cigars and get all schmoked up while watching the Scotty Kilmers videos.
Can’t hurt
Absolutely
This peaked my interest to look into my 2001 Tacoma's differential and found it has an Open 2-Pinion w/ 3.72 Gears. Apparently 1st generation Tacomas could come with EIGHT different Gear Ratios & 2 or 4 Pinion. Crazy!
Great vid Scotty!
Scotty should have been one of my professor when I was getting Mechanical Engineer degree
You must have a great degree!
Great video Sandeepa! 🍎
That was awesome, please do more of them.
Thanks Scotty, another great show!
Great work, Scotty.
Awesome video. Please do more like this.
Dear Mr. lug nut,
We refer to that as a peg leg or or a locking differential(Pasi- traction)
Limited slip differential
This was very interesting and well discussed.
Great video SCOTTY!!
Differentials do not make power, engines make power! Makes me wonder if you ever worked on a car at all?
94' Celica. The only car you will ever need; especially when gasoline ⛽ will be pushing 4 bucks a gallon by summer.
I love these videos Scotty should be a teacher.
Agreed
He is and you're one of his students. He does teach and he also has opinions. Know the difference.
If You learned something , then He already is a teacher .
Sometimes these gloss over details that I think should be explained in more detail, but I am a mechanical engineer, and a nerd. Maybe that's why my wife and daughter say that I sometimes over explain things. 🤣
Awesome video 👍 thanks Scotty 🤙