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Thread: 2.5 G head cal

  1. #1
    Mitsu booster
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    2.5 G head cal

    Does anyone have a good calibration for a 2.5 ghead Charger they would be willing to share to get me started? It’s a Hybrid turbo ported everything +40 car. I’m not sure where to go with this. My last cal was a custom Boost Button one from years ago when the car was a 2.2 with a smaller turbo. I tried running the stage 4 2.5 mtx and have excessive egt’s and does not run all that great. Any help is appreciated. I have spent some time reading through threads but I am not having much luck.

  2. #2
    Slugmobile & MeanMini Caretaker Turbo Mopar Contributor wheming's Avatar
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    Re: 2.5 G head cal

    There is a canned ghead cal in the BoostButton Turbonator cal database.
    Start with that one, and tailor it for the rest of your setup, inj, map, etc.
    Wayne H.

    '91 Dodge Spirit ES 2.5L turbo 5spd
    '05 PT GT 2.4T HO autostick (RIP)
    '89 Plymouth Acclaim 2.5L turbo auto, "Slugmobile" yes, THE Slugmobile!
    '89 Dodge Caravan SE 2.5L turbo auto, "Mean Mini" yes, Gus' Mean Mini! (Current best 11.699 @ 114.43 mph! - Oct 15th, 2022 Cecil County Dragway, MD)
    MeanMini dragracing videos: https://www.youtube.com/playlist?lis...URZLB1RxGYF6vw
    and other cars, trucks and motorcycles
    https://www.youtube.com/user/SlugmobileMeanMini

  3. #3
    Mitsu booster
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    Re: 2.5 G head cal

    Is this the automatic one?

  4. #4
    Moderator Turbo Mopar Staff Force Fed Mopar's Avatar
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    Re: 2.5 G head cal

    Quote Originally Posted by the_bn View Post
    Does anyone have a good calibration for a 2.5 ghead Charger they would be willing to share to get me started? It’s a Hybrid turbo ported everything +40 car. I’m not sure where to go with this. My last cal was a custom Boost Button one from years ago when the car was a 2.2 with a smaller turbo. I tried running the stage 4 2.5 mtx and have excessive egt’s and does not run all that great. Any help is appreciated. I have spent some time reading through threads but I am not having much luck.
    I can build one for you. I bought out Boost Button's equipment and files, probably even have your old cal on file. PM me for details.
    Rob M.
    '89 Turbo GTC

    2.5 TIII stroker, 568 w/ OBX and 3.77 FD

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