The Duramax LLY, LBZ, LMM Turbo - Diesel Insights
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- čas přidán 20. 11. 2017
- The variable vane turbocharger appeared in 2004.5 with the Duramax LLY and in subsequent years in the LBZ and LMM. The vanes control drive pressure and respond to the engine load. For example, if the engine is operating at low speed, the vane nozzles may be closed to generate enough pressure to keep the compressor wheel operating. If the engine is under a heavy load, the vanes open to increase drive pressure. Turbine braking is another feature of the variable vane turbocharger. The application of the brakes causes the vanes to close creating back pressure to reduce engine speed.
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I’m a diesel technician by trade and I’ve been through dozens of training and certification courses throughout my career. I still think nick does one of the best jobs explaining things so that everyone can comprehend what’s going on. Good job. Keep it up!
Thanks!
same here
Lol, this was the video I walked in on them filming. Loved the place. Love these turbos too.
Thanks for stopping by - and for watching the video!
I've bought all my parts from you guys. Love the vids and info. Saving up for a Allison 1000 from you.LB7 all the way. Keep the videos coming.
We've got a lot of content coming - thanks for watching.
Great video! Such a misconception of lly
Just curious because I had a V-band clamp break (turbo did not fully separate and damage luckily) but the turbo has about 1/16" to an 1/8" gap that I can see. Should it be closer together or will the new V-band compress it closer? Have not removed turbo hoping not to if not necessary. I was also thinking I could test the plunger for the vanes with turbo still attached with removing the cover and magnet process. Sorry if this is not allowed just curious and seen this video.
What is the lbz compressor/turbine size compared to lly? Can’t find info anywhere online
Do you have a video on fuel lines on a Duramax? I have a 2006.
What's the vane height for the LBZ turbo?
Great Video. Question though do the 04.5-5 and 2006 LLY share the same Turbocharger?
No, the 06 will have an LBZ Turbo.
Do you think a delete would cause my truck to read a p003a code
Will their be info videos of the LML turbocharger in the near future?
We're producing a new video soon - thanks for asking.
💪💪💪💪
Question, since the lly is the biggest factory turbo, would it make more power on a lmm than the stock lmm turbo? Asking because I bought a lmm truck with a lly turbo with a batmowheel, but in less words the turbo failed so I replaced it with a remained factory lmm turbo, of course I put a 6 blade billet wheel in it before installing, just wondering if it would be worth fixing the lly turbo and putting it back in. Thanks. also considering sending the lly turbo off to be built to the 64mm turbo and just selling the turbo I have.
I don't think you would see much difference from what you have now.
Would this be the same in the 05 lily on a c4500?
Can you get more hp bye just changing the turbine
Is it whort it to put a wicked wheel on a lly stock
Do you need to upgrade the transmission with your stealth vvt?
It is not required to have a built transmission with the Stealth VVT. But you will want to consider an upgraded transmission when and if you decide to add fuel modifications to reach maximum horsepower like 640.
I'm looking to upgrade my LLY turbo any suggestions for the turbo or any turbos I should get.
duramaxtuner.com/turbo-chargers/stealth-series/vvt-stealth-64.html
Dependable, except for when my V band broke on my 2004 LLY. And locked it up while towing a 13000 lb fifth wheel. So far my parts bill at dealer cost is $2,700 due to all the broken bolts that refused to come out and having to replace all the necessary hoses buried in that death chamber to have to keep from going in there a second time. All because of a $55 V band
how much HP can a LLY turbo support on a LBZ with all the supporting mods ?
Pushed to the limit, probably around 575rwhp. It would have a significantly shorter lifespan at that level. Long-term happiness is gone past 530rwhp.
I would be happy with those numbers and the drivability of a turbo that small but what fails in the turbo when pushed that hard ?
First!!love the videos!!thank you!
Thanks! We appreciate your comment. Stay tuned more videos!
Duramaxtuner ..oh I will..I run you guys Spade King Tuner..James always helps with when I call in with questions!
Can I direct bolt up a lmm turbo to my Lbz ?
You can directly bolt on our VVT Stealth 64 or VVT Stealth 67.
Ok I don’t have the money right now to buy a turbo but I have a spare lmk turbo if it would work for now till I can get another one
It that why the turbo is crazy loud??
The larger turbine contributes to the sound.
Hi !! I have a question
When the exhaust brake work from 2000rpm and more we have à big sound from turbo like à jake brake
We have a sound only when we use the exhaust brake
Truck is 2017 6.6l lp5 280k km
Any idieas
Hard to say without having the truck here in person.
@@Duramaxtuner Yes i know but i suposse its a probleme with à vane too loose....
I am not able to reproduce the problem in the workshop🤷♂️
What about lml
duramaxtuner.com/vehicle-type/chevy-gm/lml.html?cat=314
I run my LBZ at a maximum boost of 24psi.