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Thread: changing from 2bar map to 3bar on hellcat

  1. #1
    Tuner in Training
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    Oct 2020
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    changing from 2bar map to 3bar on hellcat

    I have question for you thats in the know...my hellcats putting out 17lbs. of boost I'm thinking about going to a 3bar map is that something I need to do or not?And if so do all four map's have to be changed?If they do I guess I'll have to figure out what in the tune that will to change also. Thanks

  2. #2
    Tuner in Training
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    Oct 2020
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    I have used the search but cant seems to find the info. on the map's or what all has to be changed....or should say what I really using common sense to be changed

  3. #3
    Tuner in Training
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    Quote Originally Posted by robertrooker View Post
    I have question for you thats in the know...my hellcats putting out 17lbs. of boost I'm thinking about going to a 3bar map is that something I need to do or not?And if so do all four map's have to be changed?If they do I guess I'll have to figure out what in the tune that will to change also. Thanks
    If you upgrade to a 3-bar setup you will need all 4 map sensors. Changes in the tune are necessary and they will have to be properly scaled. The standard 2-bar map sensor can read 14.7psi of boost so anything above that the map cannot see.

  4. #4
    Tuner in Training
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    Oct 2020
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    I was thinking that also...but now I have find what to do in my tune simple huh....lol sure miss the point's and plug days