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Thread: 2009 lsa cadillac after dyno tune? Criuse tuning help

  1. #1
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    Talking 2009 lsa cadillac after dyno tune? Criuse tuning help

    I just recently had my car tuned and its good but there are some cruise issues I'd like to address.. New to hp tuners but have a good understanding of how most of this work. Am looking for some help as to where to start. VVE tables or maf? I've done some logging and have seen some part throttle super rich, just creeping into boost, conditions. Can anyone help guide a guy to what to watch and or adjust? Just trying to learn basics and get my feet wet.

  2. #2
    Mods? Probably VVE and MAF need some tweaking. Likely a MAF-only tune at the moment.

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    2.38 pulley 1150cc injectors, texas speed full exhaust. Hx with tank and pump.

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    Ported snout, and ported gold blade ls7 tb. 90mm I think.

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    Advanced Tuner PGA2B's Avatar
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    You will get farther by posting the tune and a log.
    2013 OBM A6 CTS-V Coupe
    Mods: 8.6 Lower, Spectre Performance CAI, SRI Ported THrottle Body, Billy Boat Exhaust, Stoptech Drilled & Slotted Rotors, EBC Redstuff, Cut Stock Springs, 6K HID Fogs, Full ATS-V Emblem Conversion, Full LED Conversion, Hard Line Delete W/ 3/4" Lines
    2006 Black Raven STS-V (Traded In)
    Fully Modded: 459RWHP@5888rpm/451lbft@4696rpm

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    log I made on the way home

    check it out let me know if it helps
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    tune
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    I'm still green to most of this.. Been awhile out of tuning so a lot has changed. I'm also trying to learn what all the correct ways to set up tune for tuning and what to watch with what car. The VVE stuff has got me confused

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    Quote Originally Posted by RobZL1 View Post
    Mods? Probably VVE and MAF need some tweaking. Likely a MAF-only tune at the moment.
    If I'm right I did see some things turned off... LTFTs and some others

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    still reading and learning what to turn off, or disable to tune maf or vve

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    Some Tuners leave the LTFT's turned off and tune off of STFT's. Your VE table is stock.

    Here are a couple of threads for CTS-V's

    https://www.ctsvowners.com/forum/66-...ve-tuning.html
    https://forum.hptuners.com/showthrea...ce_09_ctsV_6MT
    2013 OBM A6 CTS-V Coupe
    Mods: 8.6 Lower, Spectre Performance CAI, SRI Ported THrottle Body, Billy Boat Exhaust, Stoptech Drilled & Slotted Rotors, EBC Redstuff, Cut Stock Springs, 6K HID Fogs, Full ATS-V Emblem Conversion, Full LED Conversion, Hard Line Delete W/ 3/4" Lines
    2006 Black Raven STS-V (Traded In)
    Fully Modded: 459RWHP@5888rpm/451lbft@4696rpm

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    Quote Originally Posted by PGA2B View Post
    Some Tuners leave the LTFT's turned off and tune off of STFT's. Your VE table is stock.

    Here are a couple of threads for CTS-V's

    https://www.ctsvowners.com/forum/66-...ve-tuning.html
    https://forum.hptuners.com/showthrea...ce_09_ctsV_6MT
    what can I tune with LTFT off?
    Those are good reads too, thank you

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    LTFT off just uses short term trims... which would be used for doing the VVE and MAF at idle and part throttle. Same concept as doing LTFT or LTFT+STFT.
    JTC Performance - Authorized HP Tuners Reseller
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    Quote Originally Posted by charcoal03silvy View Post
    LTFT off just uses short term trims... which would be used for doing the VVE and MAF at idle and part throttle. Same concept as doing LTFT or LTFT+STFT.
    so my graph for Maf/ LTFT+STFT(math) is still good? Good as in to tune MAF from?? Anything else to turn off before doin this? I also have been remembering to reset fuel trims before logs! LOL

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    Turn off DFCO and keep it out of power enrichment, should be just fine.
    JTC Performance - Authorized HP Tuners Reseller
    Performance Tuning in the Texas Panhandle

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    So start with MAF tuning then get into VVE stuff/SD tuning? Ive done some MAF tuning on a stock LS2, seemed to work great. Had to recal IAT table and tune the car some, because of intake change and car ran like poop. Whole c5 drivetrain in a 58 corvette...

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    doesn't matter if you do MAF or VVE first.
    JTC Performance - Authorized HP Tuners Reseller
    Performance Tuning in the Texas Panhandle

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    So this is my first "real" attempt. I also hooked up a wideband AEM in the tailpipe for these new logs. I did however notice my ethanol content was 20%... prolly leftover mixed in with new full tank of 91.. is that an issue? reason for lean wb readings...? GOt it down to 12% but not sure how crappy the fuel is here in AZ?
    included is tune I made to tune MAF with. Is it correct?
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  19. #19
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    91 SUCKS!! Can't run a lot of timing. But it is what it is. I don't run flex so not well versed on that.
    2013 OBM A6 CTS-V Coupe
    Mods: 8.6 Lower, Spectre Performance CAI, SRI Ported THrottle Body, Billy Boat Exhaust, Stoptech Drilled & Slotted Rotors, EBC Redstuff, Cut Stock Springs, 6K HID Fogs, Full ATS-V Emblem Conversion, Full LED Conversion, Hard Line Delete W/ 3/4" Lines
    2006 Black Raven STS-V (Traded In)
    Fully Modded: 459RWHP@5888rpm/451lbft@4696rpm

  20. #20
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    I don't think I ran enough of the E85 out before filling last tank!
    I bet the 91 in AZ sucks baaaadddd!