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Thread: help looking over tune car lurching/surging at stops

  1. #1
    Tuner in Training
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    help looking over tune car lurching/surging at stops

    Chrysler 300 with a 392 swap. Just put a cam in it and the car seems to be driving great except when at a stop in gear or really low parking lot speeds. it lurches.

    any help or suggestions would be super appreciated.
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    Last edited by unicornpower; 12-11-2021 at 04:16 PM.

  2. #2
    Advanced Tuner N2speed's Avatar
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    what cam? some large cams will bounce the converter.


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  3. #3
    Tuner in Training
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    If i were you, because of that being a OEM Cam i would switch back to ANN, the VE table needs work and the ANN will probably clean that surge up. the 392 cam has like a 119 LSA so shouldn't be doing that.

  4. #4
    Tuner in Training
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    No this is a 392 swap as in whole engine and now with a decent cam. Its been days and I got a ton of it cleaned up so far. Thanks

  5. #5
    Advanced Tuner
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    What cam did you go with? Its possible its a tuning issue, its possible as mentioned that the converter is too small and it will cause some bucking while at low speeds

  6. #6
    Advanced Tuner rays04gtx's Avatar
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    Quote Originally Posted by white1 View Post
    What cam did you go with? Its possible its a tuning issue, its possible as mentioned that the converter is too small and it will cause some bucking while at low speeds
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