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Post your datazap datalogs !!

BoostBumps

4000 Post Club
Staff Member
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Location
Arizona
I had a strange issue tonight. 3rd gear pulls were very jerky at WOT (I was letting my friend drive). Data log shows accelerator pedal position of 60% --not 100%??? The boost chart reflects how jerky it felt. I am running the Mountune stage 1 map.

http://datazap.me/u/mrzeros/log-1485585416?log=0&data=5-9-12
Yup...Appears as if your exceeding either preset boost, torque, or load limits as you can see your log plot below...The ECU controls these limits through ETC (Electronic Throttle Control) angle...Have your tuner look at boost, torque, and load limits to determine which of these may need to be raised to prevent these throttle closures which is causing this "jerky" modulation to occur..

Boost limits.jpg
 


codestp202

Active member
Messages
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136
Location
CA
Hi all, looking to learn some info on looking at this data.

I'm running a base stage 2 tune from DHM. This is my base tune and we are working on revisions as we speak so nothing against them. I'm more so posting this so I can understand these turbo di motors better. Under WOT the afr appears to be great. Anything look out of ordinary? Seems to run a little rich at WOT which seems about par for the course and the around town AFRs look Stoichiometric or a little rich. I've been doing research on timing, afr, and the fallbacks of our motors because this is my first DI motor let alone a DI that is turbo'd.

3rd gear WOT 2k-6k:
http://www.datazap.me/u/codestp202/wot-3rd-gear-0?log=0&data=5-8

Around town driving:
http://www.datazap.me/u/codestp202/log-test?log=0&data=2-3-5-8

Thanks,
-Cody
 


Messages
85
Likes
21
Location
Toledo
https://datazap.me/u/beanstune/dyno-pul-42818

4th gear pulls on a dyno
Ambient Temps 50-55ish degrees F

PowerMods:
Cobb AP with Stratified OTS E30 tune
Stock downpipe/exhaust to a Borla S-Type muffler/Vibrant 1333 dual outlet tip
Cobb Drop in filter
Nevlock Performance FMIC(looks like its the same as an MTC/Depo/Whoosh)
 


Messages
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0
Location
zephyrhills
Just grabbed a few data logs at different times of the day to see what the car does under different variables.

11050 miles,
just me / half tank of fuel
the first log was on my way home from work, ambient was around 70F - third gear
The second was on my way to work this morning, ambient was like 46F - fourth gear
cobb ots -1 93- shell fuel
k&n filter, cobb rmm,

https://datazap.me/u/scarekrow95/3rd-gear-after-work?log=0&data=4-7

https://datazap.me/u/scarekrow95/way-work?log=0&data=4-7


I dont know what im looking for good or bad, aside from no knocks, and no negative ign corrections.
Vdyno came out to like 201hp probably not accurate, but its about fun, not numbers to me.
Enjoy. lol
 




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