04.5-05 LLY Performance Discussion of Chevy and GMC Trucks with LLY Duramax Turbo Diesel Engines Related To Performance And Longevity

High RPM Tuning Advice ?

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  #51  
Old 08-23-2012, 01:22 PM
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factory fuel filter housing

Cool let's seesome numbers. Oh and I logged data with my truck and I was pulling about 65lbs a,minute with my turbo
 
  #52  
Old 08-23-2012, 02:46 PM
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Yeah still sporting the factory filter housing. See my little $10 pressure gauge in the bleeder? Autozone special, added with the electric lift. Primmer is shot now, so would love to get away from those expensive filters. What's a popular replacement?

65lbs is more than I've logged, what turbo are you running?

-K

P.S. Ya like my velocity stack? That's a modded piece off my first race car. In 1985 it was chrome, with a big HOLLEY EQUIPPED sticker on it.
 

Last edited by kidturbo; 08-23-2012 at 02:54 PM.
  #53  
Old 08-23-2012, 05:13 PM
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Originally Posted by kidturbo
Yeah still sporting the factory filter housing. See my little $10 pressure gauge in the bleeder? Autozone special, added with the electric lift. Primmer is shot now, so would love to get away from those expensive filters. What's a popular replacement?

65lbs is more than I've logged, what turbo are you running?

-K

P.S. Ya like my velocity stack? That's a modded piece off my first race car. In 1985 it was chrome, with a big HOLLEY EQUIPPED sticker on it.
people run an airdog or fass as a popular aftermarket liftpump. its a lift pump, water seperator, and filter all in one.

and man oh man some of the things i have used to get my gauges working right

believe it or not its a stock turbo
making 35lbs of boost. it does have ram air and a ported intake horn. i guess my little things add up.

did you happen to notice my speed take a huge jump in that snap shot? it went from 42 mph to 67mph when it shifted into fourth gear, my tires kinda spun
 
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  #54  
Old 08-23-2012, 06:39 PM
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what do you guys think about B0747, G090X, B1101, B1106, B0725/6 and H0105/6/7? these are some of the fields that i had to adjust to make some power in the upper RPM range. is it possible that one or more where missed and the ECM is whats holding it back?

your probably on track with the issue but i thought i would throw it out there.
 
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Old 08-23-2012, 06:52 PM
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so i went and checked out the compressor mad for my turbo and im killing the ***** out of my turbo , its amazing that im flowing that much air still

here is a pic, based off of my MAF readings and the 35'bs of boost im making my my turbo is flowing about Lightning bolt amount of air. how the eff did i do that
 
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  #56  
Old 08-23-2012, 07:03 PM
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....tell me how mine is still living...64 psi of boost or 5.35 p/r...put a little lighting bolt where that's at on the map.....

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  #57  
Old 08-23-2012, 07:04 PM
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Originally Posted by 2004LB7
what do you guys think about B0747, G090X, B1101, B1106, B0725/6 and H0105/6/7? these are some of the fields that i had to adjust to make some power in the upper RPM range. is it possible that one or more where missed and the ECM is whats holding it back?

your probably on track with the issue but i thought i would throw it out there.
max fuel quantity vs speed would of shown in the log that it was derating fuel.
the max toqrue can only go so high because efi has it limits but you can alter the base toque table to command max fuel whenever it is reading that much torque to keep on fueling to the max. thats table B1102

im sure that nick adressed those issues in the tune before hand. and he is in a boat too

i dont have lly tunes on my new computer i forget what b0725/6 are woops
 
  #58  
Old 08-23-2012, 07:06 PM
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Originally Posted by cummin_un_glued
....tell me how mine is still living...64 psi of boost or 5.35 p/r...put a little lighting bolt where that's at on the map.....

u did see the compressor map for the stock lb7 turbo is the little green thumbprint right? its in outerspace
 
  #59  
Old 08-23-2012, 11:30 PM
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Originally Posted by 2004LB7
what do you guys think about B0747, G090X, B1101, B1106, B0725/6 and H0105/6/7? these are some of the fields that i had to adjust to make some power in the upper RPM range. is it possible that one or more where missed and the ECM is whats holding it back?

your probably on track with the issue but i thought i would throw it out there.
These are my values, been over them a couple times looking for a torque limiter myself. Anything look out of place?

B0747=120 from 0-120mph
G0906=0 Brake Torque Speed this one I've question, no VSS onboard
G0907=99.61 Brake Torque Throttle Limit because this could pose a WOT issue
G0908=99.05
All other G090x are max EFI values
B1101=756 max EFI
B1106=756 max EFI above 1400, "I've adjusted below to reduce torque to the drive"
B0725=4400
B0726=4350
H0105/6/7=125 "will leave alone in case I go bigger turbo..."

Hope my parts come in today, wanta chart this turbo bad. Sure seems like something is holding back airflow doesn't it..


On the MAF flow logs, found a log from last year when I installed the new MAF, 63lbs at 30.2psi. So betting the dirt is killing my readings.
 

Last edited by kidturbo; 08-23-2012 at 11:51 PM.
  #60  
Old 08-23-2012, 11:53 PM
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HD i'm a full 1.0 P/R above the top of my map. i went back and looked at yours again, didnt realize that the red section was a different turbo...looks like where in the same "boat"
 


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