Diesel Tuner's Blog

6 Things To Know Before Upgrading Your Duramax Turbo!

[fa icon="calendar'] Sep 9, 2016 10:00:00 AM / by Paul Wilson posted in Duramax Performance, LLY, duramaxtuner, LML, LBZ, Turbo, Stock Turbo, Stealth 64, Turbo Wheel, LB7, Stealth

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Stock Duramax Turbo Upgrades!

Duramax owners are generally proud of how their stock turbos perform.  They spool quickly, run hard and are capable of over 500 RWHP (once you tune it and make a few supporting modifications to handle the power).  However, after driving your truck around 520 RWHP for a while, the addiction will creep in and you may find yourself shopping for more power.  We all do it!  For some, it may not even be about more power, it may be about EGT control under load, or it may just be the factory turbo had an issue and needs to be replaced.  If you are anything like me, you will not want to replace it with the factory components if there is an upgraded, after market, charger available. 


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What you need to know about Boost Testing your truck!

[fa icon="calendar'] May 6, 2016 9:00:00 AM / by Paul Wilson posted in Duramax Performance, duramaxtuner, Duramax, Duramax Power, Charged Air System, Boost Leak, intercooler, Trouble Shooting Duramax, Boost, Turbo, Boost Test

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So many truck come into our shop with high EGT's, turbo lag, excessive smoke output, and bad fuel mileage which are all symptoms of a boost leak. It is so common to devlop boost leak that we now require all trucks to have a boost test done prior to strapping them down on the dyno. What's funny, is that no one shows up knowing they had a boost leak. The reality is that even if you can hit peak boost, you may have a leak, especially if you have a variable vane turbo. Variable vane turbos will change vane position and other operations to try and achieve a desired boost number which may cover up a leak in the charged air system. 

 

 

HubSpot Video

 

 

 

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How to Keep Your LML Duramax Reliable

[fa icon="calendar'] Apr 6, 2016 2:00:00 PM / by Paul Wilson posted in Duramax Performance, DuramaxTuner.com, duramaxtuner, Duramax, Emissions, Duramax Power, 2013, 2014, 2016, Add blue, DPF Intact, EGR ON, DPF ON, 2011, 2015, LML, Urea, 2012, DPF Delete, LML Tuning, Emissions Intact, EGR, LML Power

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3 SIMPLE THINGS YOU CAN DO TO HELP KEEP YOUR LML DURAMAX RELIABLE:

Your truck is generally one of the largest investments you will make, so keeping it on the road is priority number 1!

 

The LML Duramax is one of the best trucks GM has ever produced. With 397 Horse Power and 796 ft/lbs of torque from the factory, the truck has the power plant necessary to do just about any job you can throw at it. However, despite the massive improvements the LML has brought to the table, there are some all too common pitfalls that can make this beast a burden. 

Here are some other places you can read more about the LML Duramax:

Visit DuramaxTuner.com

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Top 3 mods for your LLY Duramax

[fa icon="calendar'] Jan 11, 2016 8:30:00 AM / by Paul Wilson posted in Insider, Duramax Performance, Mods, LLY Tuning, better performance for lly, how to get better fuel mileage with LLY, LLY Mods, dsp, dsp5, lly performance, DuramaxTuner.com, LLY Intake, EFILive, efi live, switchable tuning, LLY, duramaxtuner, Modifications, What should i do first, what tuning should i get for my LLY, Duramax, switch on the fly tuning, LLY mpg

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  • The LLY Duramax  is a great truck from the factory for there are 3 modifications every owner should make! The LLY was manufactured 2004.5 and 2005. There are a few 2006 models that are labeled as an LLY, however they have all of the LBZ upgrades from the factory, so for performance applications consider those an LBZ. An LLY was the first Duramax with the injectors outside of the heads, a variable vane turbo and a 50 state EGR.

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