Diesel Tuner's Blog

Stock Duramax Turbo Specs and Information

[fa icon="calendar'] Jul 31, 2023 8:00:00 AM / by Ben Lawson posted in LLY, Duramax, LML, LBZ, Turbo, Stock Turbo, LB7, LMM, LB7 Turbo, LBZ Turbo, LMM Turbo, LML Turbo, Duramax Turbo, LLY Turbo, L5P, L5P Turbo

[fa icon="comment"] 0 Comments

Over the years, GM has changed a lot regarding the turbos they use on Duramax engines. Not only have they changed manufacturers a handful of times but each RPO has its own unique measurements for key components. This can make it a headache when trying to track down exactly what the measurements of your stock turbo are. Luckily we've compiled this list of stock Duramax turbo specifications along with other helpful information so you can get a good idea of what you're already working with before you dive into the sea of turbo upgrades these trucks have to choose from. However, while some turbos may have the same peak power output, the size and shape of specific components can affect things such as exhaust gas temperature, drive pressure, and turbo efficiency range.  

Read More [fa icon="long-arrow-right"]

GM 3.0L Duramax Custom Tuning

[fa icon="calendar'] May 26, 2023 8:30:00 AM / by Ben Lawson posted in DuramaxTuner.com, duramaxtuner, Duramax, Emisssions Intact Tuning, Emissions Intact, 4 cyl duramax, ECM, Emissions Equipped, 3.0L

[fa icon="comment"] 0 Comments

The 3.0L Duramax is a wildly capable inline 6-cylinder diesel engine designed for full-size half-ton pickup trucks and SUVs. Due to its amazing power-to-weight ratio and towing performance, GM has chosen to offer this engine in everything from Chevy Silverado 1500 to the Chevy Suburban and even the Cadillac Escalade. Clearly, GM is confident in its new design. 

The new 3.0L Duramax shares very little in common with its predecessor the 4-cylinder 2.8L Duramax. It's been completely redesigned from the ground up and features many improvements such as a forged crankshaft, forged steel connecting rods, and a much stronger block design. The result is an engine that can produce 277 hp and 460 ft-lbs. of torque. Which is comparable torque to that of the more expensive 6.2L gas engine that is offered in most of the same vehicles that the 3.0L is offered in. 

Read More [fa icon="long-arrow-right"]

What's an RPO? Crucial Duramax Information!

[fa icon="calendar'] Jul 18, 2022 6:00:00 AM / by Ben Lawson posted in LLY, Duramax, Duramax Power, LML, LBZ, LB7, LMM, L5P, L5D, LWN, RPO

[fa icon="comment"] 0 Comments

 

 

What's an RPO? Crucial Duramax Information!

 

This article will help you understand what an RPO is, how to find yours and when it will be needed.  An RPO or Regular Production Option is a GM-specific code, made up of 3 characters, that helps the manufacturer specify what configuration of options has been or needs to be applied to a vehicle. This can include anything from paint color to powertrain options. For Chevy/GMC Duramax trucks each type of engine can be signified by a different RPO code.

 

Read More [fa icon="long-arrow-right"]

Don't Delete Your 2017-2020 L5P Duramax DPF!!!

[fa icon="calendar'] Aug 26, 2020 10:15:00 AM / by Justin Tyson posted in Duramax Performance, Duramax, Duramax Power, DPF ON, DPF Delete, L5P

[fa icon="comment"] 0 Comments

 

 

Do you need to delete your L5P DPF?

We've all heard from forums and numerous outlets that deleting your DPF system is the way to go these days. What we never see backing these claims is data and tests. There is plenty of personal stories around a failed sensor or even the occasional DPF failure. However, once data starts fueling the debate on whether to delete or keep your emissions intact you may change your mind of what to do. 

Read More [fa icon="long-arrow-right"]

The History Of 6.6L Duramax

[fa icon="calendar'] Jan 3, 2020 2:28:45 PM / by Justin Tyson posted in Duramax, diesel performance

[fa icon="comment"] 0 Comments

The Duramax engine has a history that runs deep.  It has the following still to this day and continues to up expectations in terms of power and everything else. While it's history stretches back to 1982, we are going discuss the more modern years. The 6.6L was introduced in 2001 and replaced the 6.5L and the company hasn't looked back since.

2001 - 2004.5 LB7


Read More [fa icon="long-arrow-right"]

1,045 RWHP Duraburb

[fa icon="calendar'] Nov 17, 2016 4:47:54 PM / by Paul Wilson posted in Duramax, Stealth 64, Duraburb, twin turbo

[fa icon="comment"] 0 Comments


1,045 RWHP Duramax Powered Suburban

 

 

"There are few things in life more badass than a 1050rwhp Suburban.  I can't say enough good things about the team that made it happen.  Between my shop guys burning the midnight oil, Bob tuning it, and our awesome vendors Exergy and WcFab.  This thing is incredible." -Nick Priegnitz

This 2004 Suburban was originally converted to run a 2006, LBZ Duramax at Duraburb in Apopka, FL.  Back then, the truck had just a built trans, small drop-in turbo and stock CP3.  Now, it's a tire shredding, family hauling, quarter-mile blasting MONSTER!

 

Read More [fa icon="long-arrow-right"]

Drop-In Duramax Turbo Options

[fa icon="calendar'] Sep 7, 2016 2:17:28 PM / by Paul Wilson posted in Duramax Performance, Duramax, Duramax Power, 2013, 2014, 2016, 2011, 2015, LML, How to program my LML, More Power for my LML?, what are some upgrades I can go to my LML?, Turbo, 2012, LML Tuning, LML Power, Stock, Stock Turbo, Stealth 64, 2017, Stealth

[fa icon="comment"] 0 Comments


Drop-In Duramax Turbo Options

In the old days, there was no such thing as a "drop-in" turbo.  You pretty much had to buy a turbo that was designed for a different application and convert it to run on your Duramax.  Meaning the requirements for installation included several custom fabricated pieces to make it work.  

As technology in the diesel performance industry has advanced, our options for parts have expanded.  No longer do we have to use semi turbo's and roal coal to make power.  Now with the common rail injection system and variable vane turbo advancements there is a real need to find a turbo that makes more power than stock, while retaining all the benefits of a stock turbo. 

Benefits of a stock turbo:

  • Quick Spooling 
  • Clean installation
  • Reliable
  • Serviceable by any dealer or reputable shop
  • Requires no custom fabrication

Download Duramax Turbo Specifications

However, they do lack peak power, and peak power matters!  When looking for which upgraded unit to replace the stock turbo, we recommend matching the replacement as close as possible to the desired power level to minimize compromising drive-ability.  Any extra capacity you buy in peak for performance will cost you low end response.  Example: Looking to make 650rwhp? Buy a turbo that can just barely squeak out 650rwhp, do not buy something that's good for 850rwhp because it will drive poorly a light load. 

Read More [fa icon="long-arrow-right"]

#DTCLEANSWEEP - Parts List of how to make power!

[fa icon="calendar'] Sep 1, 2016 11:53:08 AM / by Danny Voss posted in Duramax, Emissions, Duramax Power, LML, Emisssions Intact Tuning, How to program my LML, More Power for my LML?, what are some upgrades I can go to my LML?, LML Tuning, Emissions Intact, LML Power

[fa icon="comment"] 0 Comments


 

 My name is Danny Voss, I have been working with the tuning department at Duramax Tuner on our emissions equipped truck to get the most out of our LML (2011-2016)  Duramax

"The Clean Sweep" is Calibrated Power Solution's Emissions intact pull truck designed to kick butt on the pull track and drive home like nothing happened.  This truck is the true definition of a sleeper.  When I get on the throttle, the responsiveness is unbelieveable.  

Here are the TOP 3 Reasons why Duramax Tuner choose to do this project:

  • The EPA frowns on removing emissions equipment.
  • The future of our industry is going in the direction of CLEAN POWER.
  • To show the world we can make CLEAN, RELIABLE and LEGAL power.
Read More [fa icon="long-arrow-right"]

LML Stealth 64 VVT, 620 RWHP Drop-In Turbo

[fa icon="calendar'] Aug 26, 2016 5:02:54 PM / by Paul Wilson posted in Duramax, 2013, 2014, 2016, DPF Intact, DPF ON, 2011, 2015, LML, Emisssions Intact Tuning, More Power for my LML?, what are some upgrades I can go to my LML?, 2012, LML Tuning, Emissions Intact, LML Power, clean sweep

[fa icon="comment"] 0 Comments


 

LML Stealth 64 VVT by DuramaxTuner.com

 

The Stealth 64 turbo lineup has provided Duramax and Cummins owners the perfect drop-in, upgraded turbo option to net 80-120 extra horsepower.  It spools like stock, appears stock, and still makes good power.  The Stealth 64 lineup has already supported the 04.5-07 Cummins and the 01-10 Duramax.  Significant changes in design of the factory turbo slowed our entrance to support the 2011 - 2016 Duramax trucks.  Until now! 

 

This turbo has an upgraded compressor and turbine.  It's a direct bolt in for the factory charger on the LML (Custom tuning Highly Recccomended!)

  • #DTCleanSweep Video
  • 500+ HP Emissions Intact Cummins
  • Learn more about Emissions Equipment
Read More [fa icon="long-arrow-right"]

How much boost should my stock Duramax turbo make?

[fa icon="calendar'] Jul 28, 2016 11:45:05 AM / by Paul Wilson posted in Duramax, Turbo, Stock, Stock Turbo, Drop-In, Stealth 64, Wheel Size, Turbo Wheel, Stealth

[fa icon="comment"] 0 Comments


Duramax engines have always come with solid turbos. However after miles and miles of whistling and boosting, your turbo may have problems. Or you may have other issues, that make you think your turbo has problems. This is very common as most drivers watch boost, keeping an eye on how much PSI they're making. It stands to reason that if your peak boost drops, your turbo has a problem. This is usually not the case though. More often then not, when we diagnose this symptom we find there are other problems leading to a lower than expected boost number. 

Target boost numbers for the following RPO's are as follows (PSI)

2001-2004 LB7- Stock 20-22, tuned 24-26, tuned with PPE boost valve 28-31.  Failure will occur near 34psi

2004.5-2016 Stock 22-24, Mild tune 27-28, Hot tune 33-35

The factory map sensor which electronically measures boost on a 2001-2004.5 trucks only reads to 22-24 psi, 2006-2016 MAP sensors read to 37 psi.  If you want to read boost numbers higher you'll need an aftermarket gauge. 

Stealth Boost Tester

 

Read More [fa icon="long-arrow-right"]

Subscribe to Email Updates

Lists by Topic

see all

Posts by Topic

see all

Recent Posts