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Thread: NEED HELP LQ4 tune

  1. #11
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    Quote Originally Posted by joecar View Post
    You probably should update V7 and V8...

    note that V2 firmware is obtained from the V8 update.


    Follow posts #1 and #3 here: Setting-up-a-FSV2-from-scratch
    Alright I will get on it. Thank you!

  2. #12
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    Just a question about this, If I tune on a stock pump and then switch to a 255 walbro with the hotwire kit will I have to retune my car?

  3. #13
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    Quote Originally Posted by oreobadr View Post
    Just a question about this, If I tune on a stock pump and then switch to a 255 walbro with the hotwire kit will I have to retune my car?
    It wouldn't hurt to check what it's running on the wide band after the swap. But I don't think you it would be a big issue.

  4. #14
    Lifetime Member Move'n Up's Avatar
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    Data log before and after. Then compare the results
    2006 Ram 2500 4x4, 5.9 CTD, Laramie, QC
    Fully Built 48RE, Billet Flex Plate, Triple Disc TC, 62/65 HE351cw
    2017 Corvette 3LZ Z06 M7 with Z07 Package

  5. #15
    Joe (Moderator) joecar's Avatar
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    Quote Originally Posted by zayne0 View Post
    Alright I will get on it. Thank you!
    Let me know how it goes.

  6. #16
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    I got it all working and the wb02 logging data as ithe should. One thing I have noticed is when I have made adjustments to maf and b0101 the engine wants to hunt for idle coming down off light/medium throttle. I have gone through the sspeedemons idle tutorial. I probably just need to go through the idle tutorial again to straighten it out. Does the calcvet method work on the newer computers? Like the e38 computers?

  7. #17
    Joe (Moderator) joecar's Avatar
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    Calc.VET does not work on E38, take a look at the VVE table, typical values range from 500-2500 (IDK what units)...

    it can be used to correct the MAF, but I'm not sure how to handle VVE yet...

    I'm working on it tho.

  8. #18
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    Quote Originally Posted by joecar View Post
    Calc.VET does not work on E38, take a look at the VVE table, typical values range from 500-2500 (IDK what units)...

    it can be used to correct the MAF, but I'm not sure how to handle VVE yet...

    I'm working on it tho.
    I'd like to help you work on that, but I don't have an E38 vehicle. Do you know anyone with an E38 who would be willing to do tuning changes and logs for me?

  9. #19
    Joe (Moderator) joecar's Avatar
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    Quote Originally Posted by statesman View Post
    I'd like to help you work on that, but I don't have an E38 vehicle. Do you know anyone with an E38 who would be willing to do tuning changes and logs for me?
    Hey statesman, thanks appreciated.

    I'm sure we can find some people to log for us.

  10. #20
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    Quote Originally Posted by joecar View Post
    Hey statesman, thanks appreciated.

    I'm sure we can find some people to log for us.
    I currently have a e38/e67 vehicle (not for sure which) that I have licensed that I could log and make changes. The vehicle is completely stock though

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