THE SKID FACTORY - Turbos Explained

In this episode Al delves down the rabbit hole of turbochargers. He shows how they work, how they are sized and why they are awesome.
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Please note: We like to make interesting car mods and show you how we've gone about it, but we can't promise that anything we show you will work for your particular car, or that you won't harm yourself, someone else, your car or your warranty doing it. Please be safe, be responsible and unless you know what you're doing, do not fool around with very serious machinery just because you've seen us make it look so easy.

[@mightycarmods]

When the Yoda talks - you listen. Nuf said.

[@thommytheboy8420]

Talks he does, listen you must

[@thisnthat3530]

When the Yoda talks You better listen to him When the Yoda talks You better do what he say

[@felipe34k]

didnt say what turbo i put in the sti :)!

[@wobblysauce]

Could listen for 50mins easy.

[@yolosubmarine]

Always listen to anyone that has hands that grubby. Would love to actually see a full turbo system breakdown, going from where the bov goes in the system, pipe sizes intercoolers and manifolds. I was hoping this was it, still great Yoda sage wisdom.

[@theblakeslees7065]

Turbo yoda is the kind of guy that when he speaks you listen

[@PM-uz5fs]

GURU AL

[@sportser37]

Sorry TURBO Yoda...

[@moldingpro7208]

Indeed.

[@andrewmeadows2596]

Unless you heard it all before over the years already on mcm

[@warriormonx]

TY is a god

[@thenixnz4527]

When turbo yoda says it “Doesn’t work” It does NOT WORK!

[@andersjjensen]

But, but, but I read on this Honda forum that if you just.......

[@thenixnz4527]

Anders Juel Jensen but turbo yoda said No...so its No!

[@craigshovlin9756]

Been literally waiting forever on this episode! Turbo talk with the Turbo Yoda, you can just tell Al could easily make this into a 90min episode and not a single one of us would find it boring

[@MultiMeximan]

I would love to see a “how to read a compressor map” video 👍👍👍

[@andersjjensen]

Automobile Addict There are a lot of things that I have googled that I would still like to hear Al's personal take on.

[@danieljackson8153]

"Don't email us about what turbo to put in your STI," Turbo Yoda knows Subaru owners too well lol

[@aussieausdeutschland4245]

But will it fit my Honda?

[@StavTech]

Spot on. Nice to see someone on KZbin telling the truth from experience, rather than the bullshit 99% of KZbin and everywhere else say. Especially about the importance of the turbine side, and the facts that BB cores aren't magic spool devices and a wheel made of billet isn't magic power devices.

[@johnnyk2322]

You have a great day when you get to learn something. Thank you Al

[@1970HondaCL100]

BraaapStuStuStu: a Choo-Choo How-To

[@sebsshenanigans]

that... is a bloody good title for a turbo install video.. I'm going to use that if I ever get the funds to buy a bigger turbo ahaha "A Choo-Choo How-To"

[@jzaska6734]

dootu i do

[@critstixdarkspear5375]

That fucking comment threw me back in bed and made it throw a skid.

[@PetitCorpsSalade]

A junkpile of turbos is such a nice pile of junk to have

[@timmmyj]

Excellent episode! For someone who has never owned a turbo car and never really given turbo charging much thought, that is the best 24 minute introduction I could ask for. Lemon squashes all round!

[@hipotenuuza]

I have seen many videos with turbos explained, but this one was just the best. Simple and easy to understand. Al easy could be a teacher.

[@Rattus-Norvegicus]

So, the real question is whether or not Cheryl is a single entry, or twin scroll?

[@southjerseysound7340]

The Cheryl I know is a 3 entry lol

[@SpamMouse]

Please understand Al, your detailed explanations are SO brilliant, gladly received and enjoyed. It is easy to simply rate a video clip by the numbers of views and ratio of approval clicks, but this does not truly reflect the value or appreciation that is gained from those of us that follow the MCM main channel but so often wish that the real mechanics (meaning engineering rather than people) of systems such as the turbo were expanded upon. An example is the variable turbo - I've read up on this subject before from Volvo - but your simple comment about why it's not used so much in petrol engines cuts through to the meat of the issue. Just the simple things about demonstrating how the valve moves to control boost is gold in helping to communicate what is happening as the engine runs. You must have felt that 25 minutes on this is a long time but honestly a few hours just on the housings and port design would fly-by. Can I ask that you do a similar exploration on exhaust pipework both from cylinder to turbo and on the tale-pipe please. Back in my early days of playing with cars 20 years ago I learned about patching exhausts to cure power loss it was educational then - even though I used an old pineapple can and jubilee clips to effect my repair. Cameraman: Hold the close-ups and insert stills to support Al's explanations, using some sectional cut-outs and milled exposed components would be super juicy too!

[@mugencity]

Al's delivery skills are top shelf. Thanks for sharing your Turbo magic with us.

[@JimGriffOne]

Excellent video! Been waiting for a video like this for a LONG time on the Interbutts. I knew MCM would be the first to release a more in-depth video re: turbos. :) Thanks so much!

[@andygraham6197]

Wow - just wow Thankyou Yoda for enlightening us - so informative and well presented

[@chazer200]

Thank you Turbo Yoda! Very well done. You have given me a much better understanding of the science and mechanics of turbos. Best turbo explanation on the Interballs BY FAR!!!

[@charlesmintus3063]

Well done mate...The point of having a change in cam design lowering boost pressure was an insight for me, thanks again.

[@pyramidacid]

Dude this was so good, I've seen so many videos on 'Turbos Explained' but none of them went into this much detail, and this filled in so many gaps that most people never explain on other videos. So much of it makes total sense, you shouldn't be giving this knowledge away for free!

[@terrancebarrett727]

Already knew about turbskis.. but learned a little more! That valve turbo is crazy, never seen one or heard of. Thanks Al!

[@jamestehuna5915]

Wow I could sit here for ever and listen to you learning so much from you thank you 🙏🏼

[@michaelgleeson1198]

Awesome video I sat I listened and Al knows his stuff, a man much knowledge

[@mountainconstructions]

That was a great video, i cant believe i self taught myself a lot of that 20+ years ago It is information i no longer really need, but i appreciate hearing it from a guru Takes me back. Thank you for making it

[@cranixten2620]

Love the episode guys keep at it. As I always say one of the best car shows on KZbin. And I don't have to ask what turbo to use on my build because I'm building a 1uz you did that already.

[@quakerz1228]

incredibly educational. thanks for the video and your hard work!!

[@lukedonkersgoed9804]

More like this! Very well done. Thanks for sharing your wealth of knowledge.

[@BorisFett]

Good video. I have a 6.7L Cummins diesel in my truck with a Veritable Geometry Turbo and the variable fins allow me to use engine breaking for when i'm towing down long hills. This is very beneficial for my break temps when towing big loads.

[@danielbrown5682]

How sick would it be if Al started doing some teaching at the local TAFE, apprenticeship numbers would go through the roof!

[@davidblanck4131]

I learned more than I thought I would. Thanks Al. I appreciate this information.

[@deusmech]

I do love acquiring new knowledge and appreciate the time you took to share it. I still want a screw type blower on my V6 but still an amazing watch

[@camndino]

Thanks for the info. I am learning about fabrication and turbo charging. I enjoy the ‘ use what you have ‘ attitude.

[@armandoboensel593]

That was an AWESOME video! I guess that was as plain and simple as it could get.

[@R77DVR]

Mans a legend 👌🏼 best series on KZbin by far 👍🏼

[@therig1339]

Love the videos you guys have been pumping out. Keep up the good work boys

[@DylanTK]

I love hearing this guy explain things; so relaxing

[@benjamieson5626]

I have watch this prob a half dozen times over the years great every time.

[@nzpork1]

Great video and great rambling!

[@TheBMK792]

Love these kinds of videos, this kind of knowledge is almost impossible for me to learn from a book so some visual representation really helps, thank you!

[@ashleystanley6966]

Great video Al. I now know a lot more about turbos then I did before.

[@lowrdson4000]

Great great explanation. I hope you guys will make more videos like this!

[@ToddLarsen]

Well said, Turbo Yoda! Thanks for sharing and as always Keep Building. Listen up folks!

[@bevan5937]

great video guys! Really informative

[@blainemacdonald6929]

turbos... the only thing so far that can make Al "ramble" awesome video!

[@AndyQuinton]

Super interesting, thanks Al!

[@andeanrider6355]

Very interesting. Learned a lot. Thanks.

[@castintime6245]

I could listen to this guy all day long!

[@komoru]

The presenter is great. Very relaxing to listen to and great explanations!

[@marciano5368]

This was more informative than I expected it to be. 👍

[@captnjaygreybeard6394]

Learned so much, great video, thanks

[@AussieDazza]

Excellent educational video. Thank you 👍

[@mefydversace]

I needed this vid, so educational😀now i know alot more about turbos😎 THANK YOU

[@keithf8890]

Nice one Al,interesting stuff.

[@UriNordschleife]

The best explanation of how turbos work, thanks a lot

[@davidwindsor2866]

Good video al about to share with someone else. Massive thumb up.😉👍👍👍👌

[@mj68874]

More of these episodes please!

[@robertevostep1216]

Very informative thanks boys!

[@Wilderness_Recon]

These are the most useful videos to our collective. Educating people that talk out their @$$ is the greatest service any of us can do!! Thank you Turbo Yoda and the MCM crew

[@TIBORANGE]

... i Never thought someone would talk 30minutes about turbos and get me listening straight through the complete video.... „Ba-Ba-Ba-Booooost“ - Freiburger 2015.

[@warrenhendey6408]

Good explanation! Cheers Al.

[@Mpeterson1286]

This was actually really helpful. And I say that as someone who read Corky Bell's Maximum Boost cover to cover.

[@Ginga7r]

Straight Talking as ever, very refreshing chap cheers.

[@chrisrenna2595]

Thank you for video. Very informative.

[@stezo15]

Excellent tutelage from Turbo Yoda! Awesome! 👍😁👏

[@stanislavzhelev8477]

Thank you very much for thus video. I have learned so much.

[@InitialDIYmods]

Great info. I have never seen a veined turbo setup on a non industrial turbine before so it's great to learn something new!!! I wish y'all could have had more time to cover modifications to turbochargers like clipping the turbine blades or porting the housings and talk about the effect it has on the torque curve and flow characteristics

[@renedeboer7348]

thnx Al to explain it all good info about the working from a turbo

[@67comet]

Very good info. I know very little about Turbos (yet I own a twin turbo V6 Ford). Thanks Turbo Yoda, nice'n helpful.

[@Emils2006]

Great video, learnt a lot new stuff.

[@jordanmoseley3019]

Awesome video, great explanation from a pro. If you do another one of these in future could you include information on why you want multiple turbos?

[@TheGinger1]

Please please go on for hours. Really enjoyed that. More like this plz

[@niallobrien4736]

Thanks Turbo Yoda!!!! Well put

[@mrgreenswelding2853]

That is awesome info Al! I never knew any of that, not that I'm into turbos yet!

[@lyndonwilliams3787]

Always enjoyed these type of videos from al. Matter of fact all their content. Anyway when can I expect to to the rest of the barra Bedford build. Dunno if I missed episodes but it seems that all wasn't released as yet

[@d.s.rproductions4647]

thank you, thank you, thank you! in the process of learning all about turbos so i can boost my r31 wagon's rb30e... this video couldnt come at a better time :D

[@lemmy9996]

Great explanation about this subject. And that is why you are called TurboYoda!!

[@steveblackbird5174]

I love the way Al explains the different ratios in housings... and how efficiency is directly related...As someone that's been involved with Turbo cars and tuning for over 20 years... And Aircraft for 25 years plus.....Alan is telling the truth..!!!!. simple explanations on what.. means what and dispels the BS when it comes to turbo size... especially nowadays with the technology being as good as it is... Would love to spend a month in Al's workshop being an apprentice again!!!

[@turbhoeheflin1168]

Finally, somebody that gets it! Variable vane does allow engine braking which is nice.

[@thehulls235]

Thank you Al.

[@brentonanderson4325]

This was a good video, I feel like it touched the topic enough to answer the standard questions but it definitely left me with more questions than I started with and I've had similar stuff before. For instance in the initial build of 2Sexy, Marty said "Yoda said this intercooler is too big for the application so we're going for this one instead." My thoughts that came from that were, why? What factors make this too big? What range of intercoolers would work best? Why did they choose the one they did go for? Etc. If this video is used as an information base point for people to get a generic understanding of turbos and then in build videos you explain, briefly or otherwise, why you've chosen the setup that is in it, it will bring that educational side to bear and really allow you guys to demonstrate the knowledge that you have whilst maintaining that entertainment style you have.

[@geekwares5037]

I didnt k ow this channel exists and this is awesome!

[@Alonsel3]

Good episode for the students at school. Thanks Turbo Yoda!

[@RussellRobinson77]

Really good explanation

[@RUNIHearBanjoMusic]

Great vid! Never heard Al talk so much!

[@anthropicandroid4494]

Wow, a gem; shoes off and a genuflection before entering the dojo... valued the conversation between twin scroll and entry; also could wish for that talk about how turbos are the best superchargers as the R.I.P.P. pack on a pentastar seems like a great package.

[@anthropicandroid4494]

Great point at the end about the housing affecting the ignition timing as well

[@davidmason5796]

I work at a Mack truck parts department (mostly 11 and 13 litre straight 6 diesel engines) I am going to look much closer at the turbos and turbo cores now to see if they are variable type, it would explain why we sell at least 2 a week sometimes 5 a day but from memory the hot side looks like it curls around. I may but probably won't let you know.

[@MalcolmPowder]

Al, that was great, you are a fantastic presenter.

[@biki515]

thanks alot guys !!

[@bryengoheen5575]

hey al, id just like to explain the point of vnt on a diesel engine. yes part of it is emissions, but some of it is also boost vs demand capability. this is how my tdi operates, the more throttle, the more boost demand, shuts vnt down and compensates with fuel as boost comes up. big trucks work the same way. so instead of fueling to get more boost, your boosting and compensating with fuel through electronic controls. not only does it make them more responsive, but also helps emissions, as air/fuel ratios are much more stable then trying to get spool from pushing more fuel. it does also have to do with egr functions too. also cat used twin scrolls for a LONG time, they may not be the originators, but they are the oldest engines ive seen with them, like 70's or earlier. wonderful video!

[@TheAnalXylophone]

Well, thank you, now I know much more, but still have a world of questions. I have to change the core on my stock 7M-GTE's CT26, and, as I recently found out, there are several options that fit the stock housings. Good thing I have my mates from the mkIII forum to explain it to me.

[@tehsimo]

Super informative video! nice!

[@xanderlander8989]

Hey, cool, a turbo. Do you think this will fit my Honda? But, seriously. Thanks for making the skid factory, you guys are an inspiration!

[@donfinch862]

Interesting post. Thanks

[@allredred6646]

TALK ABOUT TURBOS is my favorite podcast feat. turboyoda

[@brivandam6832]

What Al doesn't know about turbos ain't worth knowing. An excellent video

[@philiplogemann314]

The reasons they went to variable geometry turbos on the trucks is... One- they wanted to get more boost at a lower rpm for more torque. Two- they wanted to rev higher so they need a bigger turbo but they lose drivability down low so they need a way to change the AR of the housing. Three- due to the decline of driving experience coming from new drivers and others just being complacent, people are not used to boost coming on at a certain point, so when the engine finally gets boost ad gains power they don't know how to control it.

[@AccAkut1987]

also diesel exhaust is just way cooler, so it was possible to put mechanical parts into the turbine housing. IIRC variable geometry turbo existed since WWII, used on aircraft back then

[@GavinY]

Diesel engines also inherently have low rpms which means low exhaust velocity. With VGT they can produce higher boost more linearly at low rpms

[@eelamir]

And talking about the vnt turbos,dont they work the opposite of what alan said? When you want pressure at low rpm, you close the vanes to have a small opening, low volume but high pressure? Instead of opening them where you will have massive lag?

[@eelamir]

Now that i think about it, my van when goes into limp mode, it just opens fully the vanes, and makes no boost at all, so yeah, its just the opposite as alan said

[@HotForgeChaos]

A variable vane turbo would be damn handy on our PA2 Challenger diesel, its got fuck all until 1600-1700 rpm and then its pretty much instant full boost. Especially not helpful when towing, although the auto sorta makes up for that

[@nismojdm5950]

Yesss!!! I need more !

[@lindsaymccullock1176]

Cheers al you have convinced me to up my turbine housing. I never wanted to loose my response but over looked the spark advance i could add to compensate . Rb30e+t vn spac is getting turned up

[@pininprestatyn]

More like this please Al. I’m nursing a mechanical semi on.

[@Flitzer514]

On the medium duty diesels, compound turbos replaced variable pitch turbines on International MaxxForce 7 diesels. I could notice a performance difference when the MaxxForce or Powerstroke turbo vanes seized-up, but barely. And that was in medium duty trucks and very heavy light duty trucks like F-450s. I left the heavy equipment stuff behind in 2016, and it was crazy how technology is evolving in modern diesels.