Duramax Diesels Forum Truck of the Week
  #616  
Old 09-25-2018, 06:00 AM
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I just hope in a couple years when I upgraded my Lly to a L5p Mark or Tony are tuning these
... and it wonít cost me 5k lol
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  #617  
Old 09-25-2018, 07:17 AM
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I'm really impressed with what Kory has done on his truck. 565/1250 on a tune only is pretty dang good in my eyes. I'm curious to see how much removing the DPF actually increases power.
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  #618  
Old 09-25-2018, 07:29 AM
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Is that on a 100% Bone Stock L5P ??? If it is Dammit . Need to leave my 2018 alone though ! Lol
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  #619  
Old 09-25-2018, 07:46 AM
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Quote:
Originally Posted by Hambone View Post
I just hope in a couple years when I upgraded my Lly to a L5p Mark or Tony are tuning these
... and it won’t cost me 5k lol

I have an L5P BIN FILE............poking thru it as we speak.


As soon as I get a a T87A Trans BIN File, I will map the pressure controls out as well.


Trading my 2016 in on a 2019 in the next week, have an ecm and tcm coming along with HP Tuners hardware.

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Last edited by GMC_2002_Dmax; 09-25-2018 at 09:17 AM.
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  #620  
Old 09-25-2018, 08:07 AM
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  #621  
Old 09-25-2018, 09:24 AM
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Iím extremely curious if they are tampering with hardware or if they are doing it via straight software... HPT
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2017 2500 CC/LB "L5P" WT

2005 2500 CC/SB "LLY" LTZ
Typical mods for Longevity
awaiting stuff to go BooM then replace with more go fast parts!

And a few other retired Duramax's
06 360k aka Hog truck
07 320k aka Shop truck
07 340k Flatbed spare welding rig
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  #622  
Old 09-25-2018, 03:43 PM
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Quote:
Originally Posted by GMC_2002_Dmax View Post
I have an L5P BIN FILE............poking thru it as we speak.


As soon as I get a a T87A Trans BIN File, I will map the pressure controls out as well.


Trading my 2016 in on a 2019 in the next week, have an ecm and tcm coming along with HP Tuners hardware.

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  #623  
Old 09-25-2018, 03:50 PM
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Quote:
Originally Posted by GMC_2002_Dmax View Post
I have an L5P BIN FILE............poking thru it as we speak.


As soon as I get a a T87A Trans BIN File, I will map the pressure controls out as well.


Trading my 2016 in on a 2019 in the next week, have an ecm and tcm coming along with HP Tuners hardware.



So the TCM needs unlocked on these as well?
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  #624  
Old 09-25-2018, 04:36 PM
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Quote:
Originally Posted by GMC_2002_Dmax View Post
I have an L5P BIN FILE............poking thru it as we speak.


As soon as I get a a T87A Trans BIN File, I will map the pressure controls out as well.


Trading my 2016 in on a 2019 in the next week, have an ecm and tcm coming along with HP Tuners hardware.


Stoked to hear this. Had your tuning on my 15 so Iíll be sure to follow suit with the 18 in due time.
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  #625  
Old 09-25-2018, 05:34 PM
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Just checked Koryís FB... that son of a gun managed to get 190hp and 505TQ over stock with semi deleted... apparently heís finally out of air lol
I canít believe how much TQ these motors are able to produce though
Everyone across the board it seems to be in the realm of the Cummins with a 1:2 ratio
Hope the motors are up to all the low end grunt!
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2017 2500 CC/LB "L5P" WT

2005 2500 CC/SB "LLY" LTZ
Typical mods for Longevity
awaiting stuff to go BooM then replace with more go fast parts!

And a few other retired Duramax's
06 360k aka Hog truck
07 320k aka Shop truck
07 340k Flatbed spare welding rig
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  #626  
Old 09-25-2018, 05:40 PM
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Quote:
Originally Posted by ParagonBuilder View Post
So the TCM needs unlocked on these as well?
Hes smart enough to focus on trans part to help hold the power.
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  #627  
Old 09-25-2018, 06:25 PM
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Quote:
Originally Posted by Ne-max View Post
Hes smart enough to focus on trans part to help hold the power.


Yes, I just didnít realize the TCM needed to be unlocked as well.
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  #628  
Old 09-26-2018, 07:51 AM
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Quote:
Originally Posted by prostreeter600 View Post
Is that on a 100% Bone Stock L5P ??? If it is Dammit . Need to leave my 2018 alone though ! Lol
Yes. Stock, uncorrected numbers loaded dynojet in south Louisiana were 386/818. He managed to get those numbers up to 565/1249 just with tuning. With just an exhaust kit (still running through the cat that is hanging off the turbo though), those numbers jumped to 576/1323.

Quote:
Originally Posted by Hambone View Post
Iím extremely curious if they are tampering with hardware or if they are doing it via straight software... HPT
I doubt they change any hardware, but I know they say the factory equipment can no longer flash the ECM. I'm guessing they open the case and hook up directly to the board somewhere to change some security stuff so it talks to their module.
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  #629  
Old 09-26-2018, 07:55 AM
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Canít find it anymore, but I had read somewhere nothing internally is modified, but the back cover does have to be removed...


Sent from my iPhone using Tapatalk
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  #630  
Old 09-27-2018, 07:14 PM
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Quote:
Originally Posted by JoshH View Post
I'm really impressed with what Kory has done on his truck. 565/1250 on a tune only is pretty dang good in my eyes. I'm curious to see how much removing the DPF actually increases power.
I agree. Is it really worth the extra money and risk for an extra 20-30hp?
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