View Poll Results: 5.7 single turbo 270 comp cam

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Thread: 2012 Dodge Charger 5.7 Turbo

  1. #1
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    Question 2012 Dodge Charger 5.7 Turbo

    Hello i have an 2012 Dodge Charger 5.7 with a single turbo. I have the 5 psi watsegate spring in now and needing help or someone to look over my tune. I got it started but it surges bad until it cuts off. It has a 270 comp cam everything else is stock. Im new to hp tuners HELP!!!
    Attached Files Attached Files

  2. #2
    Advanced Tuner f.creek-ranch's Avatar
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    did you dial in the cam before you install the turbo ?
    Search in the forum, the cam must be adjusted by airflow and idle controls.

  3. #3
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    Quote Originally Posted by f.creek-ranch View Post
    did you dial in the cam before you install the turbo ?
    Search in the forum, the cam must be adjusted by airflow and idle controls.
    yes i did. Here is the current file i need assist with.HemG Stock Tune Copy 270 v2 Turbo2.3.hpt
    Last edited by Moparbabykb; 10-09-2023 at 01:09 PM.

  4. #4
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    i got it to idle even drive but i have no psi/boost & my boost gauge reads negative and have no torque/power to the wheels like before was installed. it has the 3 bar map sensor stock injectors & fuel pump on 93 octane.

  5. #5
    Advanced Tuner N2speed's Avatar
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    Besides a tune you need bigger injectors and a BAP or larger fuel pump


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  6. #6
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    i know thats coming .. i was trying to at least get a tune for my stock injectors for now with the 5 psi waste gate spring i have in...

  7. #7
    Senior Tuner veeefour's Avatar
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    We can help you out with that. We boosted many 5.7's.

    You need bigger injectors and that is a must, BAP is not needed for 7psi.