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Thread: ly6 swap into a jeep tune chevk

  1. #1
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    ly6 swap into a jeep tune chevk

    just finished the swap and started the jeep but its throwing a p0171 and a p0174 this is the tune the swap company provided the engine runs and idles fine but very poor performance when i get on it
    info about engine everything internal is stock still using vvt
    map sensor has been changed to the newer style 2011 and newer
    mafs is the credit card style
    any input would be appreciated
    Attached Files Attached Files

  2. #2
    Have you tried running it in SD and see if it drives better? Do you know exactly what MAF they used and what map is being used (to ensure proper data is entered)?

  3. #3
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    Quote Originally Posted by RySmDPT14 View Post
    Have you tried running it in SD and see if it drives better? Do you know exactly what MAF they used and what map is being used (to ensure proper data is entered)?
    What do you mean by SD ?

  4. #4
    Tuning Addict 5FDP's Avatar
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    Speed density.


    Are you positive you have zero vacuum leak and exhaust leaks?

    What's your fuel pressure?
    2016 Silverado CCSB 5.3/6L80e, not as slow but still heavy.

    If you don't post your tune and logs when you have questions you aren't helping yourself.

  5. #5
    Potential Tuner Riptide9's Avatar
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    I did a 6.0l L96 truck engine swap with the 6L80 trans in my 2011 Jeep JK over a year ago from RPMExtreme and this is my current tune for reference.
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  6. #6
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    thank you for sharing
    Last edited by malek779; 03-25-2019 at 03:10 AM.

  7. #7
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    thank you for sharing that i used rpm kit as well just got screwed on the engine/tranny combo now i am stuck trying to tune the
    i used rpm extreme kit as well, did you use a ls3 card style maf ? just wondering so i can try and use your calibration
    also how do you like your transmission shifting points

  8. #8
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    Malek779, did you end up getting everything working?

  9. #9
    Potential Tuner Riptide9's Avatar
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    Yes, I am using the card style MAF and I did adjust my shift points from stock so they don't hit so hard under 60% throttle

  10. #10
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    sorry fro not replying, but yes got it all figured out