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Thread: Auto trans and Dyno

  1. #1
    Senior Member
    Join Date
    Aug 2012
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    110

    Default Auto trans and Dyno

    I know I have asked a lot of questions lately as I been figuring out GM and EFI Live. I come from the Japanese and European import world and slowly been picking up this GM tuning. Most of the cars I have done have all been manual trans. I have a question about doing a full pull (wot) on our dyno with a auto car. Another shop i worked for used HP Tuners and would get the car to 3rd gear then lock it in 3rd.

    I just want to be sure of this.
    1. run through the gears until in third gear.
    2. DVT (F12) and select Auto Transmission.
    3. Activate transmission gear control - Hold 3rd gear
    4. Do WOT pull.
    5. Rinse & Repeat!

  2. #2
    Member
    Join Date
    Jan 2015
    Posts
    74

    Default

    Quote Originally Posted by FreshDA9 View Post
    I know I have asked a lot of questions lately as I been figuring out GM and EFI Live. I come from the Japanese and European import world and slowly been picking up this GM tuning. Most of the cars I have done have all been manual trans. I have a question about doing a full pull (wot) on our dyno with a auto car. Another shop i worked for used HP Tuners and would get the car to 3rd gear then lock it in 3rd.

    I just want to be sure of this.
    1. run through the gears until in third gear.
    2. DVT (F12) and select Auto Transmission.
    3. Activate transmission gear control - Hold 3rd gear
    4. Do WOT pull.
    5. Rinse & Repeat!

    I know its an old post but I am now able to use a dyno and trying to get some info.

    Did this procedure work for you?

    How are you guys doing it for LML?, is it the same?
    08 LMM CC Dually

    Canada

  3. #3
    Lifetime Member Road's Avatar
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    Feb 2015
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    305

    Default

    Good question I would like to hear what others are doing too. I do 4th gear pulls in tow haul and start the run little over 2000 rpm or what ever it takes to keep from down shifting. What really sucks is a Cummins auto...

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