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  1. Replies
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    I could give it a shot. Im sure it would skew the...

    I could give it a shot. Im sure it would skew the reading a tad but better than not having any trims!
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    Oxygen sensor senisitivity/oscillation

    Need advice, my OCD is going nuts.

    I have longtubes that merge into an X pipe about 24 inches post collectors. I have upstream bungs at collectors, then have downstream bungs about 8 to 12 inches...
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    Thanks for the information. Should I still apply...

    Thanks for the information.
    Should I still apply the speed density OS? Or, is it not worth it?
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    Anyone?

    Anyone?
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    Tell me if this works? Uploaded directly from...

    Tell me if this works? Uploaded directly from scanner and editor save folders.
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    Here are the files. Let me know what you think!...

    Here are the files. Let me know what you think!
    Its a 2000 Transam, Cam only FBO LS3 with a t56. 0411 ECM, DBC
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    Dialing in PE at WOT

    Any tips on how to dial in PE perfectly?

    Right now high rpm disabled above 3000, I see +- 5 percent of my target PE at WOT. I primarily use my MAF frequency to change actual AFR, but it seems it...
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    WB should be labeled at the very bottom "MPVI...

    WB should be labeled at the very bottom "MPVI equivalence ratio" or something like that. You know, ive noticed the same thing. B2 is a brand new sensor, but I have it in the downstream 02 spot. B1 is...
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    WS6Firebird, heres a good scanner log from...

    WS6Firebird, heres a good scanner log from earlier with quite a few WOT runs targeting .83 lambda with a 14.63 stoich ratio. That comes out to 12.2 across the board. I have it very close, it dips...
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    Will do. What do you mean by overlaying the speed...

    Will do. What do you mean by overlaying the speed graphs in excel? Would love to learn
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    Anyone? :)

    Anyone? :)
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    Thanks for the insight. Surprisingly, my MAF...

    Thanks for the insight. Surprisingly, my MAF frequency has gone up when going from .86 lambda to .80, from around 10750 hz to 10875? I believe I have seen even as high as the low 11000s in the past....
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    What controls MAF airflow on scanner?

    I'll keep it short.

    Been logging my LS3 swapped Transam car for awhile now, and with an average AFR of 12.45 across the board, I see a peak of 56 lbs/min in the higher rpms. For grins, I richened...
  14. MAF lb/h increasing with more fuel at WOT

    My car (cammed Bolton ls3) car has seen 62 LB/H on the big end while running an AFR of 11.0-11.5. At 12.0-12.6 it seems to cap off around 57. Delivered torque and my HP pid go up as well. Is that...
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    In open loop I dont really pay attention, i wait...

    In open loop I dont really pay attention, i wait for the car to warm up to operating temp for accurate data
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    When in closed loop and trims on, it adjusts my...

    When in closed loop and trims on, it adjusts my maf error by about 5 percent in either direction. So if I was at -2 at 5000hz, now it will be around 1.3.

    I dialed it in with high airflow disable...
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    Thank you guys. Getting closer, just a little...

    Thank you guys. Getting closer, just a little frustrated.
    I got my maf table very close, and when I decided to change the dynamic airflow high rpm disable back to 4000 (tuning it at 200, now it's...
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    Going to do it now. Should I keep PE enabled...

    Going to do it now. Should I keep PE enabled because that is where I am trying to tune?
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    Thanks brother. I have been adjusting the MAF...

    Thanks brother. I have been adjusting the MAF table, I believe there is only one? Its a nice curve like the stocker, and when I look at the histogram its giving me small negative %, nothing positive....
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    ttt

    ttt
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    You are the man! I tuned the car for about 5...

    You are the man!

    I tuned the car for about 5 hours yesterday with the method you described. I was able to get a majority of the table super close (within 5% of target). At WOT it needs some...
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    I will try it again. What PIDS do I have to have...

    I will try it again. What PIDS do I have to have added to my channel list for this to function? Commanded AFR, MAP, and RPM?

    How does the scanner know how to use the wideband readings for AFR...
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    Thanks man. Using mpvi pro input. I have it...

    Thanks man.

    Using mpvi pro input.
    I have it set up for AFR. It logs my AFR great, but I actually want to use that data and compare it to my commanded afr, and adjust my VE table(s).

    When I add...
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    afr histogram not working

    Can someone please point me in the right direction?

    I am going redo my VE tables all over using my wideband, since I have a better idea of what I am doing.
    I have a PLX Wideband, already have...
  25. thanks guys. figured it out

    thanks guys. figured it out
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