The Most Powerful V8 Engine Ever (Naturally Aspirated) - 2023 Corvette Z06
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- čas přidán 26. 10. 2021
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The most powerful naturally aspirated V8 engine in a production car. Ever. In this video we’re going to take a deep dive into the 2023 Corvette Z06 engine; GM provided me access to several of their engineers who developed this engine to discuss in great detail the inner workings. The 5.5L naturally aspirated V8 engine is making 670 horsepower, which is especially crazy when you realize that’s more than the larger, supercharged engine it replaced. So, how in the world is this possible? Well we’re going to talk through many of the various engine features to find out.
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I worked as an engineer at GM for 7 years. The engineers were some of the most brilliant people I've ever met. Unfortunately, also the worst management I've seen.
yea management sucks at big companies. I work for a big engine company and the bean counters come in and ruin a perfect design over a few cents per part..... yea you saved money now. youll pay it out in warranty cost though.
I had a lot of projects with GM and you nailed. Top management is only there due politics. A bunch of leeches!
Yes there smart but also some of the dumbest people i have seen to i have had to fix many of there very smart ideas by rewoking there setup
You're mentioning the GM in the past, this beast wouldn't even exist in the old GM era.
@@vinnyfrench8108 I bet it wont have the same problem as the flat plane Voodoo engine.
I always click your videos thinking, "ah, I actually don't care that much, but I'll see what Jason is talking about". Then I stay for the whole thing.
Haha, well I appreciate it! It's a pretty neat engine!
GM must have a few Jason’s on the design team
No one ever expected to see this long run from a low hp six in 53 to this monster in 2023!! its an insane engine!!!!😁
You are a SUPERB teacher. I am not a gear head, just a guy who loves cars. The other reviews I have seen of the new Z06 engine left me without much gain. Your explanations and graphics were so expertly done even I could understand. The best instructors figure out ways to structure the information to maximize comprehension. You, my friend are the best of the best.
**Additional information!** Something I forgot to mention in the video - obviously, torque is down from the previous generation Z06. Power is ultimately the important figure, because you can make up for torque with aggressive gearing. You can get away with short (high torque) gearing because the engine revs high. New final drive ratio is 5.56:1, previous Z06 was only 2.41:1 (we don't know transmission gears yet). GM engineers say the engine really comes alive above 3,500 RPM. Below 3,000 RPM, not much torque, but part of the reason of keeping the engine large (5.5L is still very big) is so that down low it still has useful grunt.
*Edit 1:* It's "Helmholtz" resonance not "Hemholtz." Words are hard for me.
*Edit 2:* Should have mentioned, but two of the three center valves (intake manifold) share a common shaft (so they open/close together). So that gives you four possible combinations (all closed, all open, one open, two open).
*Edit 3:* At 3:31 I state the naturally aspirated engine will have better air density (for its given pressure). To be clear, the supercharged engine will certainly have a greater air density than the NA engine overall, however it's not as simple as looking at a ratio of the two engines manifold pressure, because the supercharged air will have a higher temperature, reducing oxygen density. Also worth pointing out, it takes power to run superchargers, so some of the additional air going into the supercharged engine is also being used to power the supercharger.
@@dohabandit I hope they didn’t borrow the chains off of their dohc V6 💥
10:30 it's Helmholtz resonance, there is an 'l' missing
@@FireEye-zd4fm Oh boy, great catch hahaha, thank you!
@@dohabandit is the new LT6 interference or non?
I had a 1968 Z28 302 cu in 470 HP at the crank. The 302 was the most advanced engine of it's day.
"Truly the future..." Loved that subtle jab.
It hurt me. Lol
I’m sure the teslarati will be cackling at that comment !
Too bad Toyota has BEEN had this technology! Dual overhead camshaft?! C’mon Chevy, it’s about damn time you realize it’s not the size of the engine, but the efficiency of it. Too bad this technology “future” technology is already dwarfed by Mazda’s Skyactiv-X engines. Why the hell didn’t Chevy copy Mazda instead of getting tech from a Toyota Prius?!!!! 🤦🏻♂️
@@iargueta1220 toyota and honda afaik makes more(also better) efficient engines then mazda
@@pettersaethre they probably used to, but if you haven’t heard of the new Skyactiv-X engines then I’m afraid you are wrong. I myself am a Toyota fan, but Mazda has always been the funner cats to drive and now with the new technology they have they might edge out Toyota. Toyota’s relies too much on its reliability and the cars have become boring. Kia is slowly crewing up and might even pass them
I had no idea that the ZO6 engine is so perfectly engineered to maximize performance and without turbo or supercharger!!!
They steal the engineering from ferrari
@@boscovich11 elaborate on that
@@boscovich11 they don’t steal from frerraii. Funny how farrai has nagnetic damping suspension on their cars and many other Europian cars that was designed by GM
@@boscovich11 they don’t steal from frerraii. Funny how farrai has nagnetic damping suspension on their cars and many other Europian cars that was designed by GM
@@stevehirsch4988 magnetic damping was used by citroen early 70's.
They bought a ferrari wrecked and did reverse engineering of the air intake manifold,there is the secret.
How they do such quantity of hp.
The runners and the cavities that share some interesting resonance.
Porsche now use this devices.
Aston martin Valkirie and many others,i think that were used commonly in f1 then in some supercars,thats the main reason there is no legal claim against car factories.
May be they have already more than 10 years or 15.
I feel smarter every time I finish watching one of your videos! Today, I learned what the annoying buffeting air inside a car with a window down at 60mph is called.
Ive known most of this stuff, just a tad more than "generally". This video explains things so well, that it solidified my understanding to a higher degree. Excellent, and thank you!
Ill be throwing arguments with real engineers one day, by watching Jason explain stuff.
I know little stuff so i google some things here and there and this helps out a bit more!
Yoooo the fact is revs that high is sick I love high revving V8 engines.
WOW. I love this engineering! Very creative, especially the valves that help the torque curve.
GM has been hitting home runs with the corvette!! Its great to see them competing with "supercars" for a fraction of the price.
Nah it's still sold 2x msrp
The engine hits home runs when it blows up before it even run in
That intake manifold reminds me a little bit of what you talked about in the video about the Porsche 4.0L flat 6. I think it's a great to get some extra power without forced induction. Crazy engineering for some of the last ICE's. I'm glad they didn't go for a V6 like Ford
If I remember correctly they even got musical instrument's engenieers to design the intake on the LFA to make it sound better. It's amazing where the ICE has come
@@juanordonezgalban2278 Yes, Yamaha was part of the team. The LFA is amazing!.
Variable intake manifolds aren't new at all BMW had a three stage intake manifold in the 3 series 20 years ago. Someone else was probably doing it before that too.
You just made me realize that this makes more power than the Ford GT and has a quicker 0-60 time.
Nah fr doe V8 >>>>
My boss just said last night, "I need to do a deep dive into this engine" (we are in the porting business for Chevys) and, Voila !
Love this channel !
you're fuckt, what are you gonna get 120% volumetric efficiency, I bet they left nothing on the table
Look at Honda porting.
@@StabyMcStabsFace you can't port a thin wall stack, you have to make a new manifold
@@ihatecrackhead ?? What does that mean
@@MichaelSmith-ye2mt power is gained by getting more air into the motor, more air means more fuels, means more bang. sometimes that just shifting the powerband
other option is to get there more efficiently, with less parasitic losses
this engine will be near perfect volumetric efficiency. there will be very little to work with, without needing special fuels.
plus they won't be porting anything really, it uses velocity stacks with thin walls, meaning, they will have to make new ones from scratch.
I predict a lot of work, for little gains
The science is sound, 4 valves per cylinder, high rpm configuration, high compression ratio, and enough cam duration and lift. If this thing gets a pair of turbos, it's going to be awesome.
Why would you ruin a beautiful normally aspirated engine with turbos?
@@JohnLee-db9zt One reason is to have the fastest C8 Z06. Another reason is so the owner of the C8 Z06 doesn't get embarrassed by a commoner in a turbo LS Fox body.
@@c0c0asauce If that’s your goal, then go ahead. 670 hp with 8600 rpm redline and gorgeous flat plane crank V8 sound is perfection IMO. Turbos will ruin that auralgasmic sound, linear response, and reliability.
@@JohnLee-db9zt No argument here. I have an 95 Miata so I know HP isn't everything. Response makes driving at any speed entertaining but there will always be people who just want to be faster than the other guy.
Rumor is the Zr1 will be this engined but TT and the Zora is the same + electric motors in the front
Last time the Z06 came out, everyone was hyped about the new power and new interior, then I saw all the owners at the dealerships with serious problems.
Let's hope history doesn't repeat itself.
The way they handled the pressure waves in the manifold is mind blowing!
BMW has been doing that with the N52 three stage intake manifold since 2010. Too bad they gave up on the N52 in favor of more powerful but less engaging turbo four cylinder engines.
Mazda has something similar going on in it's exhaust manifolds.
BMW have even made a continously variable intake manifold length before.
You forgot to mention that the super charged engine loses power running the super charger. (It's a net positive, of course, but it explains why you have less power per liter of air than a NA engine)
Great point!
I was a bit shocked when I saw how much power they use, it can be as high as 20% of the total output. If I recall correctly, I saw a figure of 120 HP for the C7 Z06 supercharger. That's more than I ever use in my daily driver, and more than a 600 cc sport bike peak output. Dang! But as stated, it is a net positive. It makes me think about using hybrid drives for performance. If you could just drive your supercharger from an electric motor for short bursts of peak performance, what a huge gain you could achieve without even routing electric power to the wheels. The power will need to be returned to the battery over time, but removing the S.C. load for a 1/4 mile rip would be magic!
@@hondolane3125 Really it all depends on the application and the type oc supercharger, you can build some pretty efficient setups with a eithet a roots/screw or centrifugal blower.
@@hondolane3125 IIRC Audi and I think Mercedes both use a 48V battery system on some of their modern engines for specifically this purpose. They use an electrically driven supercharger. There is also a company that sells a kit to fit a 48V supercharger to basically any car that Cleetus used in a few videos for fun.
@@mattriggs301 Well, there I go again with the right idea too late. In the early 50's when my dad was working crew for a stock car team, he thought it might be smart to put a wing at the back to use aerodynamic force to create more rear wheel downforce. Good idea. I'll have to comb Cleeter's old posts for that kit.
Very informative video about this remarkable engine. Thanks again Jason.
Can’t ask for a better delivery of deep engineering know-how using simple terms and focused graphics that most enthusiasts can grasp the refinement of the design. Great job EE! You’re a very skilled professional and a great teacher.
Gotta hand to chevy! Never thought they’d do something like this
👀
What? Look at the ls9 wich was the one of the most powerful v8s ever made with a 560hp n/a with a capability of holding 30psi boost wich means back in 2007 this engine could have 1010hp with just adding a supercharger
@@jefferysant1770 the ls9 is supercharged…..
Neither of you know what you’re talking about
LS9: 2008, 638hp, 2300 supercharger
They didn't. They outsourced and paid the people who actually know how to build a proper car. They just use all the money they save from building their other vehicles out of Chinese parts. American made my ass.
Kudos to GM. This looks to be a brilliant engineering effort.
Between this and the Blackwing, it's a great time to be an enthusiast.
Right! I'm so glad that they had the guts to actually put a manual in the Blackwing and have high hopes that they make the C8 Grand Sport in manual ONLY. It would be a perfect drivers car!
if only it was stick
excpept the gov clamping down and suing sports shops and tuners
An enthusiast with 80k in your pocket
@@hpmetabolics7558 They already explained why they won't put a manual in the Vette, and it's because they literally can't make their money back on it. Not nearly enough people choose them. The number of people who buy these cars for the feeling rather than the performance is tiny
Thanks! I love the depth of your videos!
Fantastic video Jason, well done!
Jason: *mentions 'exhaust scavenging'
Subaru: "What's that"
Oh if Subaru would make a flat 8
Literal angels would sing
@@Heavywall70 It's been done, it was supposed to go in the SVX replacement, but canned, also a 12 cylinder, to race in F1, it nearly was the powerplant for Koenigsegg's, back in the day
@@Heavywall70 they could probably `stick` two together, like porsche did with their flat12 no limits race cars in the 70`s
@@nssherlock4547 that flat 12 was a dog!
@@pettersaethre I’d buy that
I’ve owned a few Soobs and I love the flat motors
The engine is very impressive
They must be very proud.
@@F0XD1E Definitely
@@F0XD1E reverse engineering ferrari engines
What a great motor! I've always been a loyal and appreciative fan and owner of Chevy's, and I love my 2004 C5 Corvette. I can't wait to buy the 2023 Corvette, adding another to the stable!
This thing is a work of art. Absolutely bowled over. Thanks for the fascinating explanation!
I just love that in this current EV craze GM is like here you go, the most powerful NA V8. They could've just stuck a supercharger on the LT2 and called it a day and it would've been fine. Bigger news to come when the ZR1 is released.
Once EV's become ubiquitous, an entire 50-70 year era of building and customizing combustion engine vehicles to express personal styles, and produce desired levels of horsepower will become a quickly forgotten period/blip of time. Cars will be entirely utilitarian, and devoid of any character, personality, or any reason for a person to customize it. Mechanics will no longer be necessary, and those skills will be tossed in the dustbin of history. It wont take long for people to forget this era entirely. It makes me sad.
@@kidwave1 doubt it
@@kidwave1 the president of the company that made the BAC mono had an interesting view on this. If you take today's most focused supercars like this c8 z06 or a 992 gt3 they still compromise the driving experience for daily useability. He compares this to horses. Today's through breds would be terrible horses for the average person to own. They don't pull heavy stuff are fast and jump high. After the horse was released from being a utility it gained a second life as a tool for pure fun. I'm pretty sure this is going to be the future of combustion cars
@@memememine1 that would be very acceptable compared to the prospect of outright banning them. Which, although that would do almost nothing to help against climate change, seems to be a part of the agenda.
Talking about the DOHC setup as being the future reminded me of the C4 ZR-1 with the Lotus LT-5 that had DOHC in the 90's
Sad GM never used it again until now
I mean, GM probably built a million or so Northstar V8 powered cars....
Yea they never uses that LT5 after the C4ZR1 because when they came out with the LS1 it made better low speed power and drive much better.
Had to really take the LT4 up in the range to really feel any difference. LS1 was very cheap to produce compared to LT5 also.
Yeah I was like "did you just make a big deal about DOHC?"
I really hope Jason isn't starting to drink manufacturers Kool Aid.
DOHC is a big deal when you are talking about the king of pushrods.
What is amazing about GM is not that they had DOHC engines 30 years ago like the LT5, Quad 4, 3.4 DOHC, and Northstar…
It’s that they all but completely abandoned them for any engine with more than one head and made pushrod engines that could run with any DOHC offerings from the competition.. not only in terms of power, but in size (not displacement.. but physical size), fuel efficiency, and reliability.
Going to DOHC is a huge paradigm shift for GM and must be because like the like the pushrod four cylinders they made until 2000 and the pushrod six cylinders they made until 2011, they have reached the developmental limit of pushrod V8s.
@@Bartonovich52 agreed man the pushrods are maxed out. Dohc is going to make more power more efficiency than the pushrod with less displacement. 5.5L N/A V8 making almost 700 bhp vs the ls7s 500 hp with 7.0L of displacement. Power delivery on this new engine should be interesting.
Awesome engineering by GM and excellent presentation by you!
Wow. Great job explaining. Thanks.
This is the engine I've been waiting for GM to release. High revving, flat plane, DOHC V8.
It's the perfect engine for the mid engine platform.
@@Alkatross now they just need to mate it with an awd system and a 3 pedal set up for some serious fun.
This is one of the best ‘explanation videos’ that I’ve seen. After watching….I understand. And, I’m not an engineer!!! Very well done.
My thoughts exactly.
Brilliant video Jason. Thanks
Thanks for the masterclass. Happy holidays.
Looks like GM knocked it out of the park with this engine. Nearly hellcat levels of power on pump gas NA. Should be a monster of a car.
C7 zr1 lost 101 horsepower from flywheel to rear wheels, let’s see the dyno on this thing
@@CoyoteFTW should be a bit less loss than the c7 that given the engine location of the c8. I'm excited to see the Dino results at some point.
@@CoyoteFTW hellcats loose about 70~80HP to the wheels.
@@CoyoteFTW Every car has parasitic loss.
@@CoyoteFTW And the supercharger on the C7 ZR1 required about 110 hp to operate at the top of the curve.
"Larger" should always be explained between DOHC and push rod stuff. The old engine may be bigger in displacement but push rod stuff is usually physically compact in comparison.
True, this is why LS swaps are so popular, the old engine is big on displacement (and TQ) but small in size. You can fit an LS into a 911 or a Miata. However with the C8 moving to mid-engine they had more height to work with since they were no longer worried about needed a tall hood. Still a DOHC LS? The temperature in hell dropped a few degrees LOL
@@johnmoore3504 Yup, that's why I'm wondering what applications this one will ever have in the aftermarket due to packaging restraints. Especially the intake and exhaust systems. Super cool motor though. I thought they may even have to eliminate the rear trunk to maximize performance but I guess not.
@@bobhenry6159 The point is not everyone knows that when you say one is much larger than the other.
If your coming here to learn and someone says the old LS is much larger in displacement would they be surprised in the size comparison when you put a Coyote next to an LS variant of whatever displacement (especially a 427)?
Not really true, because the intake components can be packaged inside the V in an OHC engine unlike in a pushrod
@@loludied552 Well they did it on a Mustang but it compromises the flat crank advantages. Jason Camissa did a quick video on it I believe.
Excellent video. Thanks for explaining more about this exciting engine!
I liked the detail offered in this video and I’m excited that the ICE technology continues to advance. Thank you for a great presentation.
Any chance of a follow-up that focuses on the weaknesses and/or compromises in the engine design?
Whoa, impressive to match Cosworth's BMEP. The question is the grunt factor? (Torque) My guess is that with the free sprung reciprocating weight the car will still pull as if it had 650 FP of Torque? 2.6 sec zero to sixty is Porsche Turbo numbers. Nice job. 👍
Chevy says it has almost 80kpa of vacuum in each crank bay. Whatever that means.
@@raymonds7492 kpa is kilopascal its a measurement of pressure like psi. 80kpa = 11.60302psi
"free sprung reciprocating weight" isn't a thing. I think you meant low rotational inertia.
I wonder if that 2.6 second time is with 1 foot rollout or not
I’ve heard 460ft lbs in a couple videos, one of which was with a Corvette engineer.
As a CZcamsr myself I know how hard it is to film and edit. And I know that taking requests for unplanned videos is not going to happen BUT I'm asking anyway. I'd love to see a video comparing the new LT6 Engine VS the Ferrari 458's F136 Engine. 😎🤙
You mean lt6🤣
@@allanb3222 yup lol. This is why you wait until AFTER coffee to post! 🤣
@@nfareview touché lol
I'd also like to see this comparison. But, I'd also like to see it compared to the ford gt350 Voodoo engine.
Adam you gotta start doing suppressor engineering explained videos with this dude
this is one of the coolest YT vids I have ever watched. utterly fascinating
Fantastic explanation. Thank You!
Wow. Engineering is truly a spectacular work of art, I feel like digging into the exhaust system would really be an interesting video as well, to see how the scavenging looks downstream. Excellent video as always Jason
I signed up for the Z06 Sep 2020 and GM has exceeded my expectations!
What impressed me, according to Tadge Juechter the Z06 w/ the ZO7 option, “Will hang with the C7 ZR1 for quickest lap of a session, but if you look at the average lap over a full tank of fuel, the C8 Z06 will be quicker.” He went on to say that the difference in Z06 lap times over a session is zero, even negative. Sometimes the fastest lap of the day was the last lap.
IMHO this Z06 truly is the whole package!
I’m very jealous! I’ll just stick with my 2003 supercharged Zo6 for now 😄
@@turtlegaming3829 Absolutely! The C7 Z06 is a fantastic car, enjoy! Be safe! Put it this way, you will be having fun driving while us in line will be waiting, and waiting, and waiting some more!
When a new car comes out, the thing I’m most excited for is the tuning scene. Especially whenever the new car brings something new to a genre of cars. We’re getting a flat plane in a corvette! That’s crazy.
I’m excited to see how people respond.
I can’t wait to see what this engine does at Lemans!
Very impressed with this level of details on how this engine works. I can't wait to see it on the road! Can't help but think when they unleash the ZR1 version it will be the hottest car for a long time.
When the C8 was first announced I was blown away. I think this is the most impressive vehicle I’ve ever seen in my life. I like the C7, but the C8 is out of this world.
You are the 🐐!
Absolutely love your channel! 🔥
That was a fantastic explanation. Thank you 👍
Bore/stroke ratio for Yugo 1.1 engine is 1.44, and for 1.3 engine is 1.55 :D
I want cars with small but high revving engines again for the streets!!
Its going to be more complicated and expensive though.
For the streets you are better off with the opposite. Torque for the streets and hp for the track
*sad Civic SI noises*
@@Shiftheads This is true but some people just prefer reaching for the power and having to rev high on their way to work.
High revving does nothing.
Awesome video, once again! Thank you!!
Awesome explanation, thank you 🙏
A good ‘old school’ EE video, with math and stuff. Loved it!
I learn something every time I watch and I love that! Love your insight and the way you explain the details of everything. Thanks for another fantastic video
Beautiful wedding photo bro 👍 I just got married 2 weeks ago
Excellent Explanation!!
Amazing explanation... thank you
It never stops. Chevy makes some real strides in engineering and value and still people in the comments try their hardest to minimize or poo-poo it.
This is an accomplishment for a U.S. manufacturer and I'm impressed, especially considering the price point.
They did the same with he HellCat drive train, tried to poo poo it because it's an American design.
USA has some of the greatest engineers but a car is more then a engine. C8 brake issues, lack of quality stitching in leather. I understand it's a value but still this car better get everything right or we will never be a class act.
Gt350 did the same thing was the most powerful N/A V8 at the time. Flat plane crank naturally aspirated V8 revs to 8250 Even came with carbon fiber wheels a magic 6 speed transmission.
@@CoyoteFTW ummm no. GT350 makes no more power than an LS7 on the dyno and is slow as hell.
@@eleventy-seven Please provide some links to more information on these brake issues and stitching.
Once again, someone else to poo-poo the car. Thanks for demonstrating my point.
Take a look at the intake valves, 2 of the 3 share a shaft. Your combinations should be 0 open, 1 open, 2 open (if you closed the single), or 3 open based on this. Best possible if packaging were to allow, would be, 0 open, 1 open front, 1 open middle, 1 open rear, 2 open (many combinations), and finally all open).
Correct, I do believe two share as shaft - should have mentioned!
Great video!!! Truly love the info
Excellent video, thanks!
I wish GM put as much effort into some of its smaller motors as they did here. My buddies shop has at a minimum of 2 GM products in for extensive motor work or full replacements. Primarily the 3.6L V6, 1.4/1.5T and the 2.4L
Generally avoid non v8 American cars. That being said, the Buick 3800 was good and the 4.2 v6 in my f150 work truck only needed a tune up in 12 years after a trip cross country. I’d still have it but it got totaled.
What year 2.4Ls?
Because the LE5 was good, but that’s an engine that’s already almost 15 years old.
@@Quesadila21 modern ones, 2009 and up I believe. Primarily equinoxes
@@Suction_ yeah, the Equinox never got the LE5.
The first gens were all 3400-based V6s and then the High Feature V6, and the 2nd gens got the LAF and LEA. The latter two engines being direct-injected and the E85-compatible version respectively.
Hey man, I have a 2.0 LTG Turbo engine with 175,000 miles on it. The car still feels brand new, it just needs small repairs here and there. I’ve replaced cooling system items, coil packs, some seals here and there, but the thing is still going strong!.
COOLEST engineering video online right now. Makes me want to buy a car just for the engineering involved in it!!
Jason, thank you. I'm very impressed.
Very impressive breakdown…well done!
Love your engineering explanations. Coincidentally, I was just talking about how Chevy would have to get over the pushrod engine and move to an OHC engine and then, sure enough, they packaged one of the most impressive NA engines I've seen. I'm a huge fan of NA engines and have had 2 R8's which I love for their small package, high revving engines. I wish I could afford a Cogsworth small packaged V12 as their engineering is incredible. Congratulations to Chevy for building such an impressive engine. I hope that they are able to ditch the satin jacket/gold chain negativity for this incredible car.
Im also impressed, how struck to the roots to how engineering marvel they have become
Check out mercury marines version of the LS that they converted to ohc. Makes good power. Perhaps they worked together. Maybe not. SB4
Don't forget the 1990 - 1995 ZR1 Corvette with overhead cams.
I'm a little sad it's not a true LS pushrod style engine but at the same time OHC is just the way to go...
Wait, what? I JUST received my new satin jacket (with matching pants) and gold chains in anticipation of ordering my C8Z06! And no chest shaving for 6 months too! Dammit!
Your attention to detail is amazing and appreciate the explanation regarding all the mechanics involved, truly a masterpiece for GM, regards 💯
Love the car window explanation about Hemholte resonance. You said we don't have to understand how those middle valves work to see the benefit, but if you've ever cracked your driver's window to offset the resonance caused by your rear passenger's open window, you already intuitively know how it works.
brilliant explanation, as usual!
I’m sooooo hyped about this car man
“Now we have dual overhead camshafts with 4 valves per cylinder. Truly the future” hey, literally every car and motorcycle manufacturer from 1990s Japan called, they said the future was 30 years ago.
I believe Renault was first, back in the 20's or 30's. 😄
Look inside an Allison V-1710 or a Rolls Merlin some time.
It's, uh...it's a joke. American manufacturers aren't exactly known for keeping up with the technological curve. If it ain't broke, sell it as new with a twenty percent markup, you know?
Aaah,,,,,Ford has been doing two cams per head, 4 valves per cylinders for a long time,,,,,welcome to the present GM.
@@2003evodave and look how bad GM just crushed Ford with the same technology.
This is the best thing you've ever done. Great work!
Man! You make all of this car science stuff interesting! Thank you!
Really great to see all this tech going into a Corvette engine, in my opinion. Everyone loves a big 'ol pushrod V8, but seeing a high revving, DOHC, flat-plane crank engine going into a Z06 is pretty cool. And if it sounds anything like the GT-350R then we're all in for a treat with the exhaust note too! Great video
pushrods make an engine small
@@lorddoosworth8175 Which lets you fit a larger displacement engine in the same space.
Great explanation as always. Thanks for bringing out the whiteboard! This Z06 is an incredible piece of mechanical engineering. I am so glad we got it just sad it is coming out in the twilight years of the internal combustion engine. 😢
I miss my steam powered car.
I miss my horse powered carriage.
I miss my rickshaw.
I miss my palanquin.
Na internal combustion isn't going away anytime soon. The ban on gas and diesel engines in Europe was held up until the provision to allow for vehicles certified to run on fully synthetic, carbon neutral fuels to be sold. There are more and more pains being discovered with increasing electrification coupled with rising energy costs that are decreasing the 'cost saving' angle of owning an EV. If anything, the EV scene is pushing the ICE side to work harder to be better.
Thank you so much for taking the time to explain this , I was so confused before to HOW Chevy made this possible.
Great work, GM!! Brilliant engine!
You are so right: this is the first REAL mid engine Corvette. I so long have been going WHY? Why still valley camshaft with ports choked by a pushrod picket fence ?! Now, Chevy did more than a token OHV V8.... they built a world beater, and future hot rod legend core. Thank you GM for doing something right. Please do manufacture it in the USA, so your/our workers can afford to buy one.
I have an LT4 engine, love it, love the torque. I also live at 6,300 feet - any ideas on the power drop off when you live far above sea level?
Thank you GM for giving us tge C8, and for giving our boy here so much info to relay!
Just fantastic. Great video.
When you discussed the difference in airflow, why did you not point out that a good fraction of the 6.2L’s higher airflow is used to generate power to run that supercharger? Critical difference between NA and mechanically forced induction engines.
Yes, great point! Superchargers are parasitic.
@@EngineeringExplained A supercharger somewhere resents that remark.
@@sydneyACE But knows it is true.
I was surprised that he didn't elaborate that the 5.5L motor has higher power than the 6.2L even with less L/min because combustion does not create power, it creates torque. Power is a function of torque x rpm / 5252. This means past 5252 rpm, you need less torque to make the same amount of power. I believe this more than makes up for the gap, especially when you consider parasitic losses from the supercharger.
@@wobblysauce I guess it has a guilt complex - that's why it's always trying to pay you back with more horsepower than it uses...
Factoid of history:
The NSX had a similar intake manifold engineering back in 1991. Honda called it Variable Volume Induction System (VVIS). That car really was a marvel.
Although to be fair, the Z06 system seems more complex with multiple curves, while the NSX only had two curves (all valves either opened or all closed). But the Honda did pick up a third curve with VTEC. So you have valves closed no VTEC, valves open no VTEC, and valves open with VTEC.
I get what you were saying but that doesn't invalidate the impressive intake manifold of the Corvette. Just because someone else had something vault similar before. Since you mentioned the NSX I take it your a Honda guy. Vtec was not the first use of VVT but that doesn't invalidate how impressive of a system it is.
Great video!! Thank you.
I love your videos. Keep up the good work!
Love your videos, I’ve watched this video a few times. My question to you will the LT6 engine be more or less fuel efficient than
the previous LT4 engine. Thank you.
“Dual overhead camshafts with four valves per cylinder - truly the future” Hehehe Carbon pushrods! 😂
Wow!! Thank you for your videos.
Great job as usual Jason.
3:37- Gale Banks has some videos on his channel explaining air density vs pressure and why air density is a more important parameter.
I also hear this new Z06 has something like 5 heat exchangers on the front with all that Aero! If you get some more requests I'd be VERY interested to learn how they link them to the engine which is in the back of the car!
Great video Jason! 🍻
Hardlines under the car to hoses near engine and heat exchanger inlets/outlets.
@@TurboCarSlut that's a safe educated guess but it'd be neat to do a breakdown of how they engineered everything in Engineering Explained in depth fashion!
There are three heat exchanges up front and two in the rear that are cooled by the air that enter the side inlets behind the doors. The three in front work in tandem.
Great info! Thank You.
Best information ever!! Thanks
"in a production car" I'm so glad to hear you say that I believe Chevy missed that in at least one of ours videos.
Great explanation, can't wait to try twin turbo it!
Coming from most people that would be a dream, but from you I know it is a promise !
High strung N/A engines really don’t do well supercharged, look at the LS7. My guess is the compression will be too high for a reliable forced induction application
@@kingssuck06 change the Pistons
@@kingssuck06 Compression ratio isn't the limiting factor, us the proper fuel IE E85 problem solved. Look at the 5.0L Coyote 12.5:1 Compression ratio N/A on E85 you can easily run 20 psi boost.
You will need to change much of what this engine is to efficiently turbocharge it. This engine was built to be the pinnacle of N/A V8 engineering.
You have got a new subscriber! Great video
Love you and ty for your service to society. Keep up the good work.