THE SKID FACTORY - [QUICK TECH] What's Inside a Torque Converter?
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- Опубликовано: 10 сен 2024
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Today on The Skid Factory we have a look at the insides of a Torque Converter and go into the basics of how one works.
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Thanks for the great video and for your support!!! You all are legends!
You should do more tech videos, more "how to" videos, stuff like taking a turbo apart and rotating to suit, and more general how stuff works. I'd rather take Skid factory advice than any other youtube mechanic.
I live in Phoenix, where Hughs Transmissions is located. They have been doing my transmission work since the late 1960's. They are great people to work with. They understand racing. They sponsor many cars in some way or another. You did a great job explaining the torque converter. They used to be a horrible gas waster up until about 1975 when new cars came out with the 5th gear overdrive and the locking converter. I just bought a locking billet race converter for my race truck. It was $3200 USD. The stall speed can be set to any RPM cheaply, the real cost is in what torque rating you need. Mine was a locking model in the 1,500 Ft/Lbs range, which explains the cost.
Transmission builder here. Good job on explaining the basics and origins of the converter. Most videos on this sort of stuff is too complex for people to understand. If anyone is interested I would recommend watching a video on how the fluid actually moves inside the converter to get a better idea of how it works.
It keeps the outer race in the one-way clutch from coming loose and spinning. Just a way of reinforcing the one-way clutch.
No difference to the way it works other than keeping it from breaking again.
If your flex plate keeps breaking first I would make sure that the guide pins between the engine and bellhouse are actually there. If not it could be the bearing in the crank or bushing in the pump(probably not). Or worst case the converter isn't straight and needs to be fixed again.
Yeah that's a different story haha. Hope this ones stays intact.
😮wow.
It all makes sense now and I’m glad I’m not the only person that gets excited by the engineering of this magic
Good video Alan. Very informative.
Still doesn't make me comfortable with the 'dark art' of auto transmissions tho 😋
So no GT-A Evos then ?
They arent as crazy as you think. Ive rebuilt valve bodies and clutch packs/pistons in auto trans. Its just scary cause people haven't explained it well to you
@@Deftonesdsm I'll stick with engines, and leave the transmission stuff to someone else 😋
@@Mardy72 if you can handle a modernish engine you can handle auto trans. That said the specialty tools required to do them correctly is a pain to own. And the reason i dont rebuild autos often. I drive only manual cars. Actually i only own 90s toyotas because toyota is the best. Well 60s/70s kawasaki bikes but yeah reliability and good engineering keep me with toyota/kawa
I agree, what torque converters do is pretty cool. I think that one was missing a part though, I was surprised to see there was no 8 ball in it.
you can only find 8ball in a used parts. It is because when oil heats up and then during cooling, the molecules start to bond and over time, you get an 8ball ;)
My Bit on watching MCM and Skid Factory as much as I can got a job and kids every other week, My observation is that either Moogs or Marty are visionary's at first it was skids and that is still the motivation. But the next level stuff is fun to watch. Please continue to be humble success is a drug.
I like to explain the theory with two box fans placed in front of the other. With only one turned on low it will start to push air towards the other fan. If the speed of the air is low it wont turn the other fan much, however if you increase the speed and volume of air being pushed eventually the fans will closely match speed, even though only one is driving the air. Things like the distance apart from each other and fan blade design would effect the speed at which it would "stall" just like converter design to suit engine output as discussed.
My brain can't wrap itself around this but your illustration helps allot. Thank you
allan aka turbo yoda you are a amazing man, all your fans just like you, keep them good videos coming plz. ur both funny and teach us a lot.
Well, I never knew what it was, and now I do. Great channel
So awesome, thank you for taking the time to teach us master yoda
Good to hear u torque about this subject.
I'm not sure if I missed it, but could you also explain torque converter lock up and stall speed, and why you would want varying stall speeds, in another video?
Next video: what's inside a lemon squash
the cans are always empty....
10% alc
Happiness
Lemon squashception
What's inside Lemon Squash? A ton of Queensland shits and giggles, nothing more.
First time I have ever heard of a bolt together torque converter
thank you, I have seen many videos, but none had explained so well the operation and history inside
Thanks, Al!
As much as you love them I don’t want an auto, however great vid explaining a torque converter to the masses. 👍🏼
Thanks for that. Its been something ive wondered about.
I loved my Hughes 2500 HD th400 converter. I beat the hell out of it, then swapped to a off brand 3500 stall, a very regrettable decision.
Some forklifts have bolt together Torque converters, makes doing a trans rebuild quicker not needing to send converter out to be split and checked, keep up the great videos boys.
Excellent breakdown of how a converter works and how it multiplies torque!
I have set in classes put on my giant multi-national companies with huge training budgets that did not do as good a job.
This bloke Alan such High-Caliber knowledge on his engines and such and explains it so understanding...Well done m8 Love the show...Woodys pretty cool too.
It’s very cool to see the inside of components like the torque converter, it’s usually that mysterious, mythical thing that gets lost among the more exciting noisy parts.
Hey Alan, thank you, I had no idea how they worked, great video work Woody, I love your videos guys, very helpful and informative 👍🏼👍🏼👍🏼👍🏼🙂🙂🙂
Thank you Al and Woody, I have a 68 Mercury Cougar was a C4 and I learned what the torque converter does and what them C4's are capable of. I like that I can learn stuff from your guys channel.
Thanks guys. I'm not a Mechanic, not even close. I do enjoy your videos, and seeing inside the guts of stuff - The RB30 build especially. Keep up the good work!
The continuing education of Dave... thank you!
Such a good Chanel you guys know your stuff and show us dummies how it’s done! 🔥 keep up the good work
Al is a great teacher and communicator 👍🏽👍🏽
Hey Al, you always make me laugh when you use a 90 degree Allen key. Get a bit on your tool!
Great work boys! Awesome stuff.
Great series. I love how you explain things. I'm looking forward to more, you sweet boys!
Thanks guys!! Im almost positive that if you had not shown us this I never would have gotten to see the inside of one of these.
Thanks for the tear down i always wanted to see inside one of these.
torque converters have came a long way in the last 20 years. this one looks really nice! I have a couple cars Ive used street/performance torque converters, with double welded fins for better performance, and they do just that! cost a little more but worth every penny imo. thanks for sharing this mate!
Brilliant ... Thanks
What does it convert torque into? Oh heat, that's right.
Another great video though, thanks Big Al.
Thanks Al,
Always wanted to know the insides and never took the time to find out - Hughes Perf looks good to
Cheers blokes!
I worked at heavy automatics and it was interesting to see inside a torque converter as we rebuilt and clean them regularly.
Great video, keep these tech videos coming. Maybe some of your own welding tips/tricks? Cheers from US! 🍻
Hughes performance is from my home state of Arizona!! Been around forever!
Been wondering this since I saw one, thanks for the info boys 👌
Really clever stuff yo!!
Great video, I always wondered what they do and how they work 👌🏼
Great explanation. Had an inkling of how they worked, but now actually understand. Cheers guys :)
What is the "stall" of the torque converter , and how does that work .
The stall speed of a converter is the rpm where the engine would technically stall if the brakes where strong enough to hold the car from moving (usually in a standard application) or the rpm which the engine is limited to when the gearbox is in gear and brakes are applied and the car doesn't move.
@@nobikeman If someone is about to do a drag run, or similar, you see them using the transmission brake to hold the car. The engine is on max revs (you can hear the rev-limiter cutting it out), then the driver releases the trans brake and the car takes off FAST. That's not stall, but the trans is being over-ridden. So what's happening here?
Paul Standeven they would be using a “2 step” rev limiter, a 2 step gives you the option to have a second rev limit, I the case used with a transbrake the 2nd rev limit is set just below the stall speed of the converter. There are several advantages doing this, a transbrake locks 2 gears together inside the gearbox therefore not loading the suspension, once released it shock loads the suspension planting the tyres harder into the track. Now stall speed and the 2 step, the 2 step allows full throttle by limiting the revs to just below the converters stall speed, this gives you a higher airspeed through your intake at launch. All in all you get a faster, harder and more consistent launch, your reaction time is your finger not your 2 feet releasing the brake and pressing the gas pedal.
@@nobikeman So you use a computer to set a lower rev limit which applies only when the trans brake is on. Correct?
For cars that don't use transbrakes or 2 step limiters, drag racers will "flash" the converter by holding the brakes and revving the engine up to just above the stall speed, this engages the converter and forces torque through the drivetrain. You will see this effect the car by causing the rear axle (on RWD cars) to torque over and lift the rear of the car up by putting direct force on the suspension. Essentially this preloads the back of the car and gives a better launch for properly set up drag vehicles.
Very detailed mate. Well explained.
🤯 because I have never had a opportunity to chop one in half or learn about transmissions I’ve always assumed it was some type of clutch like on a go-kart only a better design I was way off thank you for the knowledge 👍
Now I understand all those memes about power loss and boredom. Thanks guys 👍🏼👍🏼
Thank you for detail video
Fascinating. Good job lads.
quality content !!!!! keep it up !!!
TCs, YES!
Love the tech episodes! Keep it up lads.
Don't forget the other stuff that makes the converter work. Yes Black Magic inside it lol great video keep it up.
the cap on the pump drive is to keep the black magic from falling out ;)
Great video! As much as I love changing gear myself with a manual, I'll never be able to beat a modern auto, they're just too good at changing gear! Might get an auto daily soon, just for ease of use
You hit the spot for the link! Great JOB😂 good looking out 👍good job guys I LOVE the channel "Get Chopped✌✌✌✌" You guys are better than that little MCM Channel LOL!!!
Brilliant explanation.... I'm waiting for a nice "Turbo Yoda" shirt to hit the stores 😁
Awesome, something I never needed to know but glad I now do :)
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@KONRAD It was :)
"-We'll put a link... maybe here? [silence...] There? Oh, here!"
"-Yeah."
Puts it in the first spot. Simply genius! :D
I would have pulled it apart as well!!! You just have to know what's inside!!!
Half way through this video I started to smell transmission fluid
My shop floor is covered in it and the smell follows me everywhere I go.
At least it's not gear oil this time.
mmmm burnt plasticine
same.. then i remembered id been playing in it earlier today
steazye hasc
Smell i like its the burning skin you get about 30mins after it gets on your skin. Trust me it sux
Awesome video very informative basic
Great video guys!
Great video lads
Love the vid boys! Keep them coming
Not gonna lie. This looks like witch craft. Never knew what was inside. I’m more of a manual lover so I never researched the auto in depth. I also like drag racing and if I ever build a drag specific car, it will be auto for sure. Gotta give respect to the autos in drag racing.
Great explanation !
awesome stuff! thanks!
there is a video on youtube from the late 40s early 50s also showing and speaking about the fluid drive as they use to call it.
Great video guys next dual and single clutch autos please
In my truck when I start it I can hear a rattling from I think the TC. But when it warms up it goes quiet. I also experience some shuttering when in overdrive. I put in trailer mode to bypass it. If there is a little bit too much fluid in can that affect TC operation? Not that I think its the only issue. I am beginning to think the TC is not getting enough fluid that would explain the noise. The transmission temperatures is around 160 degrees when warm.
No need to go to the USA boys try using Allfast torque converters in Perth WA ask for Gonzo he’s the GURU on transmissions.....
I knew this already, but watched the video just because :-)
Gawd damned he can talk that guy. Who is it and what has he done with Turbo-Yoda? ;) Love your videos, guys! :)
Interesting video. Would have been nice to learn how Lockup works on modern cars. Also seems to vary car to car. My wifes GM Astra only locks up in top gear at 50mph+. My Merc on the other hand locks up as soon as you get moving in 1st. So it responds almost like a manual, and gets better mpg as a resuly.
Usually a clutch in between the turbine and the front housing, pressure applied through the input shaft to a diaphragm to apply load on the clutch to lock the turbine to the housing.
Great video cheers 👌
@Theskidfactory If you ever need anyone in Australia can can and knows how to build converters, including bolt together stuff. Check out Full Race Fabrications, just down the road from you guys as well.
Can use the same engine/trans, but have it in different weight chassis and get different results.
3 main questions, power/weight/application of use, for the right converter choice.
Geez Allan knows his shit
When you select ( R ) the engine rotates backwards
I think it’s crazy to think how popular the powerglide is in racing today considering it was designed in the 40s and has been in use since 1950.
do you have to "torque " the bolts on a Torque converter, or will it torque itself
Would a torque converter be the cause for metal shavings to be mixed in with the tranny fluid, and if the torque converter clutch solenoid goes out as well. Somebody sold us a transmission full of metal shavings and they claimed the torque converter went out because of the clutch solenoid. We need to know from a specialist and how rare is it that a torque converter goes out like that
AL, thanks for pulling that fancy girl's skirt up so we could see the secret bits!
From what I'm told, transmission builders outside of big production for manufacturers and rebuilding companies like Jasper, are very rare. I'm sitting on a Subaru 4EAT I'd love to get rebuilt, but can't find a local shop with someone able to do it.
That blue Apache at 3:44 tho
Thanks for the tech knowledge, Al :-D
IIRC, taking a converter meant for a smaller engine, and putting it on an engine with tons of lower-end torque, can cause the stall to increase when behind the larger engine. Heat will increase too, but if doing something on a super-budget with say a junkyard trans that saw many applications between different engine sizes, it can be a "cheap" way to get a higher stalling TC on a budget if can fit between the different engines, though heat will need to be kept in check, and may or may not survive lots of abuse.
CarpathianCarl yup, Ive done that, works a treat. The stall was probably also designed to be higher behind the small engine to make the vehicle get up and go with that smaller engine.
Yep you can do that and yep it most probably won't last long either, having it internally modified to accept the extra power is the key to making it live longer however in a near stock application it may live for quite a while with just the addition of a decent trans cooler. Most "professional' high stalls start off as one for a smaller engine then modified to accept that extra power of the larger engine.
Do you not have Allen sockets in Australia? I can't believe you just undid all those Allen bolts with an L handle! I'm not hating just curious. I've never seen you, Benny or Marty and Moog use anything but hand turn Allen wrenches. I'm in Canada and even here Allen sockets can be bought for cheap at Home Depot.
We definitely have them in Aus. Dunno why they don't have some...
how do you know when a stall converter is "right" ?
what is a car like when the stall convertere is not enough, and then when its too much. what happens?
Thanx boy'z...
As a dude that's ripped apart a lot of slushbox's - Well said.
Are you guys gonna do a video on superchargers soon like how you did with turbos?
Nice explanation, but how efficient is a torque converter?
Ken oath fellas on the shandies or what
Fuuuuuulllll puuuuuulllll
I would love to see you guys modify a toyota a340 box
But isn't the biggest flaw that (on older converters) you always have slip since they wouldn't work otherwise? In comparison to a clutch which has a efficiency of like 98%
EDIT: and on new you have the converter lock clutch for exactly that reason?