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Thread: 1 bar maf os to 1 bar maf enhanced (rtt) and vice versa or another OS??

  1. #1
    Tuner Stuffs's Avatar
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    1 bar maf os to 1 bar maf enhanced (rtt) and vice versa or another OS??

    can I upgrade from 12212156 1 bar maf os TO 1281002 1 bar maf enhanced (rtt), and then undo o do the 3 bar OS when my turbo setup is ready?

    2002 camaro with 411 pcm

  2. #2
    HP Tuners Support
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    You'd just need to apply the COS to the stock file, you can't "undo" it on a file thats been converted.
    It doesn't have to be perfect, it just needs to be done in two weeks...

    A wise man once said "google it"

  3. #3
    Tuner Stuffs's Avatar
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    sorry i think i rephrase .. can i apply the 1 bar maf (rrt) then when my turbo setup is ready and go ahead and apply the 3bar os? or the COS is a 1 time change thing and stays forever?

  4. #4
    HP Tuners Support
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    You can change it at any time as long as you have the stock file in order to do so.
    It doesn't have to be perfect, it just needs to be done in two weeks...

    A wise man once said "google it"

  5. #5
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    Quote Originally Posted by Stuffs View Post
    sorry i think i rephrase .. can i apply the 1 bar maf (rrt) then when my turbo setup is ready and go ahead and apply the 3bar os? or the COS is a 1 time change thing and stays forever?
    Never delete your stock file from your PC and you can apply any enhanced OS to it, and chose "write entire" when you do so.
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