Boost specified vs actual data log overboost

[Matthewest91]

This is my first data log.
I’d like to eventually tweak and tune the car with nefmoto.
I guess right now just learning g the ropes… how does this log look? My tune is a stage 1 nefmoto so boost should be 14.7. Highest psi is 16.9. image-2023-05-21-10:10:03-504.jpg

Also,
I noticed on a couple pulls the car seems to choke or hesitate at higher rpm’s.
Only mods are darintake, piggie pipes.
I’m also at 5,500 feet


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[Blazius]

Are you logging using me7logger? Does not look like it. Dont plot out in excel lmao.

Post the full log when you make one. Log the PID variables and everything.

[Matthewest91]

This was Vcds

[Matthewest91]

,Group A:,'115,,,,Group B:, Not Running,,,,Group C:, Not Running
,,Engine Speed,Engine Load,Boost Pressure,Boost Pressure,,,,,,,,,,
,TIME,(G28),,(specified),(actual),TIME,,,,,TIME,,, ,
Marker,STAMP, /min, %, mbar, mbar,STAMP,,,,,STAMP,,,,
,0.02,2000,54.9,840.0,860.0,,,,,,,,,,
,0.40,2040,63.2,970.0,870.0,,,,,,,,,,
,0.80,2080,69.2,1280.0,960.0,,,,,,,,,,
,1.21,2160,82.7,1930.0,1020.0,,,,,,,,,,
,1.61,2240,92.5,2070.0,1100.0,,,,,,,,,,
,2.01,2320,100.8,2030.0,1200.0,,,,,,,,,,
,2.41,2440,109.0,1990.0,1300.0,,,,,,,,,,
,2.82,2520,118.8,1980.0,1410.0,,,,,,,,,,
,3.22,2680,131.6,1950.0,1560.0,,,,,,,,,,
,3.62,2800,139.8,1930.0,1670.0,,,,,,,,,,
,4.02,2920,143.6,1930.0,1710.0,,,,,,,,,,
,4.42,3080,145.9,1920.0,1750.0,,,,,,,,,,
,4.83,3200,147.4,1920.0,1760.0,,,,,,,,,,
,5.23,3320,148.1,1920.0,1760.0,,,,,,,,,,
,5.63,3440,147.4,1890.0,1750.0,,,,,,,,,,
,6.03,3600,148.9,1870.0,1770.0,,,,,,,,,,
,6.44,3720,148.1,1840.0,1800.0,,,,,,,,,,
,6.84,3800,147.4,1830.0,1820.0,,,,,,,,,,
,7.15,3880,143.6,1910.0,1820.0,,,,,,,,,,
,7.54,3960,145.9,1900.0,1880.0,,,,,,,,,,
,7.95,4040,151.1,1890.0,1900.0,,,,,,,,,,
,8.36,4160,151.1,1890.0,1910.0,,,,,,,,,,
,8.76,4120,148.1,1890.0,1880.0,,,,,,,,,,
,9.18,3920,56.4,840.0,1760.0,,,,,,,,,,
,9.57,3360,10.5,840.0,1040.0,,,,,,,,,,
,9.98,3320,75.9,1340.0,910.0,,,,,,,,,,
,10.38,3320,97.7,1540.0,1210.0,,,,,,,,,,
,10.78,3360,128.6,1910.0,1550.0,,,,,,,,,,
,11.18,3440,147.4,1900.0,1750.0,,,,,,,,,,
,11.58,3520,157.9,1870.0,1900.0,,,,,,,,,,
,11.99,3600,160.9,1870.0,1950.0,,,,,,,,,,
,12.39,3680,154.1,1850.0,1870.0,,,,,,,,,,
,12.80,3960,18.8,840.0,1240.0,,,,,,,,,,
,13.20,3480,30.8,840.0,930.0,,,,,,,,,,
,13.60,3040,82.7,1710.0,1050.0,,,,,,,,,,
,14.00,3080,112.0,1950.0,1360.0,,,,,,,,,,
,14.41,3120,143.6,1960.0,1750.0,,,,,,,,,,
,14.80,3160,151.1,1950.0,1820.0,,,,,,,,,,
,15.21,3200,153.4,1950.0,1840.0,,,,,,,,,,
,15.61,3280,153.4,1930.0,1840.0,,,,,,,,,,
,16.01,3320,154.1,1920.0,1850.0,,,,,,,,,,
,16.41,3360,154.1,1920.0,1860.0,,,,,,,,,,
,16.82,3400,155.6,1900.0,1880.0,,,,,,,,,,
,17.22,3440,157.9,1900.0,1910.0,,,,,,,,,,
,17.62,3480,162.4,1890.0,1980.0,,,,,,,,,,
,18.02,3520,157.1,1890.0,1910.0,,,,,,,,,,
,18.33,3720,109.0,840.0,1610.0,,,,,,,,,,
,18.73,3480,13.5,840.0,1070.0,,,,,,,,,,
,19.13,3200,9.0,840.0,930.0,,,,,,,,,,
,19.53,2720,9.0,840.0,890.0,,,,,,,,,,
,19.92,2280,9.8,840.0,860.0,,,,,,,,,,
,20.24,1880,9.8,840.0,860.0,,,,,,,,,,
,20.64,1440,9.8,840.0,850.0,,,,,,,,,,
,21.04,1080,12.8,840.0,840.0,,,,,,,,,,
,21.43,920,13.5,840.0,840.0,,,,,,,,,,
,21.84,800,14.3,840.0,840.0,,,,,,,,,,

[RMode]

Vcds samples quite slowly for tuning log purposes. A good tool for looking at codes, but that’s about it.

This is an already “tuned” ecu, or naked?


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[Matthewest91]

Vcds samples quite slowly for tuning log purposes. A good tool for looking at codes, but that’s about it.

This is an already “tuned” ecu, or naked?


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Flashed nefmoto stage 1


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[RMode]

You’ll want to log with ME7 logger


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[Matthewest91]

You’ll want to log with ME7 logger


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log the same parameters just with me7logger? Anything else I should add n75?
I’m confused.. the data from Vcds is completely useless?


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[Matthewest91]

I am definitely over boosting by ~2 psi, according to the boost gauge. Is this something that’s not that big deal?


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[RMode]

I wouldn’t go by anything but a proper data log, not a boost gauge


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[LJS]

log the same parameters just with me7logger? Anything else I should add n75?
I’m confused.. the data from Vcds is completely useless?


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This should help--
https://www.youtube.com/watch?v=olAYz0JCHgA
BTW- your plot should look something like this---

[mjmatos]

I wouldn’t go by anything but a proper data log, not a boost gauge


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This… I was seeing over 25lbs on my boost gauge, and my requested was never more than 22.5 so ill be replacing the gauge eventually


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[Blazius]

Log with me7logger, else I cant help you, and im putting this midlly here :)

You cannot request more than 23 PSI on the stock ecu without some code modifications, so no dont replace your gauge. Need a proper tune . It has a hard limit at 2560 milibar (22.5psi). Still most tuners ignore this or CBA to fix the PID for boost control (which you wont have anyway if you ride the limit)... shame

[Matthewest91]

Log with me7logger, else I cant help you, and im putting this midlly here :)

You cannot request more than 23 PSI on the stock ecu without some code modifications, so no dont replace your gauge. Need a proper tune . It has a hard limit at 2560 milibar (22.5psi). Still most tuners ignore this or CBA to have fix the PID for boost control (which you wont have anyway if you ride the limit)... shame

Ill be spending some time with me7logger this weekend and post back with an update.


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[Matthewest91]

Log with me7logger, else I cant help you, and im putting this midlly here :)

You cannot request more than 23 PSI on the stock ecu without some code modifications, so no dont replace your gauge. Need a proper tune . It has a hard limit at 2560 milibar (22.5psi). Still most tuners ignore this or CBA to fix the PID for boost control (which you wont have anyway if you ride the limit)... shame

I’ve got me7logger installed.
I have a nefmoto tune flashed onto the ecu already. Creating a template with me7logger do I use the factory stock .bin file or do I use the nefmoto tune bin ?


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[LJS]

YES- use the factory .bin file
FYI-
BE SURE the following data is correct in your ECU file
EXAMPLE:
HWNumber = 0261207928 (requested was 0261207928)
SWNumber = 1037366497 (requested was 1037366497)
PartNumber = 4B0906018DH (requested was 4B0906018DH)
SWVersion = 0004 (requested was 0004)
EngineId = 1.8L R4/5VT (requested was 1.8L R4/5VT)

If any of the above is incorrect the LOGGER will give an error message
noting what it was looking for and what it found and then stop w/o running.
Edit your ECU file with WORDPAD to make corrections or comment-out the information using ";"---this will by-pass the info scan.

For data analysis- Use post processor ECUxPlot on newly created file in
LOG directory
NOTE--ECUxPlot requires an old version of JAVA ( This may have changed)