We Blew Up The most powerful GR Corolla in the World.......
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- Опубликовано: 4 мар 2024
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Mike: / mikepharaoh
Dave: / boost_dr
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Hate to be that guy.. but “why the engine blew up” is probably 36lbs of boost on stock internals. That thing was dope dude, sorry for your loss, time to build back stronger.
Take it to the dealership. Should be covered under warranty. Its pretty close to stock 😅
Lets just say, we appreciate y'all pushing the boundaries of this platform. It's a big ol bummer but I know y'all are gonna rebuild a beast. Side note, I don't think I've ever seen engine carnage quite like that 😂 Cheers y'all.
Roll back 4 years to the original release data for the GR Yaris and you’ll find one of the special things about the G16E GTS was that it had no valve seats.
Dang that is tough. Thanks for pushing the limits though to keep progressing the platform!
Come back stronger than ever
I hope you get the Corolla up and running quickly.. thanks for pushing the limits on it, it was amazing to watch
Working on a quick turnaround
Paying close attention to what works and what doesnt for my 2024 GRC. Thank you and keep modding it
While I have seen plenty of pistons shatter, that is the most complete shatter I have ever seen. I am surprised you guys did not explore the bolt you found in the girdle and the balance shaft weight. (unless the bolt was put there during disassembly). This is absolutely a shot in the dark but if the balance weight came off and struck the crank/rod, it may have created enough resonance to blow the piston up.
the bolt looked untouched and the mounting surface on the weight seemed in tact. i would have questioned that a bit more too i think.
Dang man, sad to hear but awesome to witness and learn from. Ya'll are awesome. Really hoping you guys get to hit the track this year! Either way, I'm here for the state of the art motion picture, nothing is more entertaining than learning about my own car lol
I want to see the GR at the time attack! Hopefully you guys find the best way out possible and thank you for pushing the limits 💪🏼 learning a lot of the G16 with you guys! Keep it up
damn that's rough! poor valvetrain, but thanks for documenting these things to raise awareness on the possible limitations of our cars. rocky road to the most badass GRC!
Yeah looks like you need to be very very sure about who builds your head and definitely don’t skip out on better parts!
great video! I am committed to leaving mine stock(Core with LSD's),but I love these videos of guys pushing these things!
Damn man, sorry to see this. Thanks for the documentation. Excited to see what's next.
Soon we will get your reactions lol
11:14 my best guess would definitely be rocker/valve related. Very common on both gr86 and GRY. These cars aren't built to be bouncing off redline. I don't plan on hitting redline until I get that rocker retainer kit installed.
I think you guys need uprated Valve Locks and Rocker Retainers to help keep the valves captive. Lamspeed keep these in stock. I would also recommend the Oil Pan Baffles help to maintain oil pressure under high loads and lateral and downhill heavy braking Gs. 5w30 or even 5w40 should be recommended on these GR Yaris and GR Corollas because honestly apart from fuel economy 0w20 just can't adequately protect the engine under heavy load.
Definitely think it dropped a valve
Definitely gonna go all out for oil mods in the new motor for sure
I agree. After looking at it for a few days and looking at the ecu logs it seems to be the only reasonable conclusion
Honestly I thought they put those valve locks for the rockers. 😢😢😢This is sad. That was my first mod.
Came into the comments just to see if anyone else thought it might have been the loose rockers/lack of retainers that I saw in the Denstoj video a few months back:
ruclips.net/video/V4IDYBl5LaE/видео.html
Sorry for your loss. Thoughts and prayers going out to the entire Nemtec family. 🙌 🙏 😢 🪦 #RIPG16
I’m so happy I bought my Type R 😊 Making 450whp on a bone stock block for 2 years now without a single issue , keep those torque numbers low & she will last!
I guess it's a good thing that lamspeed sells blocks, heads and basically whatever else you'll need. I'm excited to see what 'all will do with the new motor.
Im going to be praying for team nemtec after seeing this video
I’m really enjoying following this GR Corolla build, huge bummer that this happened. Really appreciate some of the technical analysis you and the team provide. Hope it comes back better than ever after you sort how you want to move forward with it!
Damn, this doing it for science thing gets expensive!! Great videos and I hope you get it going again to race it this year.
Thanks for the support!!
I'm going to go out on a limb and say that this was pre-detonation combined with previous heat cycle damage to the head and longer duration camshaft timing. The combination of factors is likely the culprit, it makes the most sense when considering the alternative possibilities. You can't really point a finger at one issue being the reason this happened.
Didn't change the break in oil at 621 miles as stated in manuel
@@mengx94 The manual doesn't state that you need to change the oil at 621 miles. It only states that the break-in process is 621 miles and not to beat on it. No oil change recommended, though I did mine anyway.
@@Haloruler64 621 miles lol we were doomed early on in that case
@@DavTune Bro the Porsche 718 demands 2000 miles of break-in! TWO THOUSAND! I dunno how they do it.
Piston #3 has left the chat... 💥
*Has left the planet!
Existence*
Genuinely surprised the block survived as well as it did considering an entire piston grenaded itself down into the crankcase. Damn.
Great opportunity for some future footage. I'm looking forward to it.
We’ve got plans already in motion so it should t be too long!
Painful to watch, but you guys are killing it. Hopefully there's a little more unreleased footage after the sequential install?!
Here's an alternative that will save 30k...buy clean 1970 Olds Cutlass, build 550 NA horsepower Olds 455, install drag radials, run 12.0's all day and spend all the extra time and money having fun. Just a thought.
Cmon man looking weldable for sure!
100%
Jb* go brrrr
I think when you changed your oil you increased crankcase pressure and potential got blow by and compressed fuel and oil on the intake stroke. Than as piston 3 traveled to TDC it detonated your piston. That failure potentially put a mix of fuel and oil in the exhaust which cause the large flames. Thats my guess.
I love how you guys constantly break stuff purely for our entertainment and enjoyment!
IDK Wtf happened, I'm not a car tech like you all. but this is interesting AF! Can't wait for the upcoming episodes!
The flame looked cool at first…then I realized that’s when it blew 😭
Thanks for the post Eared a subscription
Thanks for the sub!
The valve seats being MIA is odd for sure, im not sure if any other cars have failed in a similar way.
seems like not having rocker retainers mixed with some iffy head work might have been the issue. But im just a guy trynna have fun lol not totally sure
Looks like balance shaft went since it was directly under cylinder 3. Is there a balance shaft delete for these?
Is it possible that cyl 3 ran lean? overheated and cracked the piston?
That sucks, just now watch the video and damn the piston just Grenades in there. Didn't you have a anti lag tune at one point? But that's just crazy. I hope you find out what really happened. It's still a new platform and trial and error.
That is impressive! Absolutely kachowed that engine 😂💀
I've seen a number of these blocks blowing completely untuned and running stock boost. I can absolutely see these being a depreciation bomb and almost un-buyable second hand once they start hitting high mileage.
Same. No wonder in the GR Corolla FB groups everyone seems to be selling theirs off and more and more are starting to go for MSRP at dealers.
Wow!
good one
check the springs, prob not strong enough, valve float due to rpm/boost, piston smash valve closed, disrupt seat, seat turns when valve open, valve cant close, piston not forged, by by piston, tears
For next time use of these 4 oils
1.Amsoil Signature Series
2. LiquiMoly
3.Pennzoil ULTRA PLATINUM
4. HPL Oil
Royal purple is junk for high performance engines
Also did you originally obide by the 2,500Mile Engine Break in period?
Everything in the engine needs to properly seat before beated on which couldve caused the valve failure
I'm not sure the car even has 2500 miles on it quite yet
All bandaids
What does insurance do in this situation
I'd bet the valve snapped, and at the high RPM, just turned into a blender. If the piston failed first, the wrist pin would be deformed or broken. The Guys in Europ making 600 to the wheels in the yaris have all gone to Forged pistons and rods, But they are also changing the valves at that power level.
holy RIP lil engine
Well damn 😢
It happens
IIRC I dont think thr pistons are forged... Thats unfortunate...
This is terroble to hear. Completely doesn't seem like it was something you did wrong. Seems like the proper precautions and care were taken (correctly sized turbo with the factory pistons and rods). I've never heard of the seats dropping out. My initial thought was a misshift at one time fatigued a valve but didn't cause it to bend completely. Then, one day, the valve gave out from being a fatigued valve, aka very ever so slightly bent valve... but that would be an exhaust valve, not an intake valve, and that's not the case. And then we find out the seat dropped out, and that's not something that can be banged out and must be pushed from the back or pulled out... that's just unheard of. It's easy to just pass it off as a factory defect, and defects do happen, but that would be too easy and nearly impossible to be likely. This is just completely a mystery. Maybe the shop that ground them actually did something wrong. Maybe they heated them. Maybe they did actually remove them and replace them without your knowledge... I would say that is most likely the answer to the mystery. Next time, don't let anyone touch the head, and/or ask for a video of the work done on it. Regardless, good luck. Love your work, and always watching.
So you gona buy a new motor? That crack looks unfixable. 😮
yeah there will be a video on it next week
Seems like Royal Purple HPS 5w-30 has way too much calcium additive and that doesn't help with LSPI.
Billet block to match billet trans?
That would be sooo sick but idk if anyone makes it lol
Damn JOHN!!!!!!!!! :(
It’s happens lol…. Sequential was just too addicting
This will be a good discussion to compare how this happened vs the gry in europe making 700whp without blowing the motor.
That's insane, I wonder how long it could be pushed to 500hp for 😮
@@ireallyreallyreallylikethisimg i want to tune my grc to push 340-350whp but after seeing this I want to wait to see the proper precaution mods to do first after nemtec figures out what went wrong
Its Australia, not Europe, and they ran 770whp with a shot of nitrous. They said it was stock bottom end and only changed cams and valve springs, and ofc huge turbo. A g35-something, they didnt specify. It didnt blow up even while making multiple live stream pulls. They said they're going to do some work with it and bring it to the drag strip soon, so really excited.
@@user-ln5bs5jo9k well Australia, my bad didn’t do my research. I’m just curious since its the same motor why nemtec had this issue and the gry didnt
@vhofdimer6378 yea, same. It's really strange, and in Bahrain from ekanooracing, their fully built yaris has 600awhp. Multiple g16 engines are running 450+ now, and not many have blown up. Before you modify your own grc, you should ask for advice from lamspeed racing as they have done the most research and sell the most useful parts for the g16e engine.
oh no
Detonation
Any way to check the tune?
So on the ecu logs I made the 3rd to 4th shift and 2 seconds after the piston exploded…. We’ve talked to 2 different tuning shops around the world and compared notes and didn’t seem like ours was too aggressive in terms of timing etc we actually had a pretty conservative setup…. I think the head had a malfunction
Good thing you got money apparently
so the engine and trans blew?, $$$$$
How much power did it have before it blew up
450whp
Pre detention is my thinking .. the look of that piston being completely shredded. Time to order a new short block!
is piston alive ? :D
😥😥😥 my heart broke 😢sorry guys..that what happened
Guessing your IDC’s was above 95%?
How much hp?
450whp
JB Weld
Maybe a rocker slipped out??
the cost to rebuild an engine
This is crap.. sooo sorry guys. Didnt you say, when you had the head job that they fitted new seats? I wonder if they popped which is the sole cause of this issue?
Rippp
Watch this video, it is from Savagegesse and they do a 1 year review of all the most common fails on the GR Corolla. One of the weakest points is the valve train, it fails on the top end and it takes down the rest of the engine. Another fail is the rear diff overheating, the engine overheating and the crank knock. Just watch it: ruclips.net/video/jLPtIyU-kvo/видео.html
I started to think that's not a coincident. All the G16 engines that failed were all Cylinder 3. By judging the head, the piston did smashed into the combustion chamber, the remaining 2 valves were pushed through the seat. I watched another Japanese video, that happened the same way, the guy said the piston disintegrated due to the coating technology that was used on the piston. Honestly, I think the G16 stock cannot handle anything over 400whp.
I’d say 420ish is probably fine. Our final dyno numbers were like 458whp so drop it by almost 40hp you should be good.
Our new sequential added so much strain because it was just constantly in boost….
Do you know what video from Japan you watched that would be interesting to see
@@NemtecRacing I dunno where my respond went lol, here you go again. ruclips.net/video/CyM2z_UNsqk/видео.html
The guy mentioned something about the latest coating on the piston causing it not generating heat and also to dissipate heat.
😢
It happens lol. We will be back
are you guys canadian?
No USA
NOOOOOO
Clearly it got very lean and melted a 1/3 of your motor. I would scrap it and buy a new engine there is no saving that engine. Check your logs I’m sure that cylinder was starved of fuel
Sale Sale Sale!!!
Are you going to buy a complete engine?
No
@@NemtecRacing Can you buy a block?
Yea from moms ce. Or swap and start over. Mom gets an overbuilt engine for dd at tame levels 😆
Ooooofff honestly glad I bought a new wrx. These motors holding 660w stock 💪
Well power ain’t everything…. But I get your point
Make sure you beef up the fuel system it’s the heart of the car. It’s obvious it was starved for fuel. Good luck with your build. I’ve seen a lot of people with damaged engines but your application is one of the worst failures I’ve ever seen.
just put it on rice
Warranty time
Yeah sure lol
But this is normal driving conditions?? Ryan tuerck drives it like this all the time 🤔😂
Yikes. So much for me telling my friends my cars block is bulletproof. Thr irony as I changed my profile photo tonight before watching this. Oops....
Ufo video tike rest of night.
Ill hang on hopes of hypereutectic piston failure. Kieth Black would be ashamed circa 1990.
bad tune
Interesting opinion
What's next?
New motor! More power lol
If it wasn’t valve float imma call it bad tune
Should’ve went 0w40, the 5w as a start viscosity. Can be the culprit
Weak engine. This ain't no 2JZ.
If the 2jz was split in half into 3 cylinder. Its questionable that it'll be surviving this amount of power and boost either on stock block.