Results 1 to 7 of 7

Thread: Help With 300C 2008, "cutting" between 2000 - 3000rpms in WOT condition

  1. #1
    Potential Tuner
    Join Date
    May 2024
    Posts
    3

    Help With 300C 2008, "cutting" between 2000 - 3000rpms in WOT condition

    Hi guys,

    I need a help with a Chrysler 300C 5.7 Hemi with a Vortech V3-S1 supercharger, the car starts to "cut" between 2000 to 3000rpms, only in WOT condition, the only parameter that i found wierd is the Total AirFlow, it goes up and down when the car is "cutting", if you go smoothly to 3000rpms and then you WOT the car goes perfect. I'm adding the tune and log.

    Thanks 300C 5.7 AUTO VORTECH FIC1000.hptLOG_04_street.hpl

  2. #2
    Tuner in Training jefo's Avatar
    Join Date
    Jul 2022
    Posts
    36
    I can't see the log as I have the old software, but on a different note noticed torque management is completely turned off. Probably want to turn that back on to keep the trans happy if its stock.

    Might try raising airflow limits under engine and engine diag to start.
    Last edited by jefo; 1 Week Ago at 04:42 PM.
    2006 AWD 300C Turbo - stock 5.7, stock NAG1
    10.8@126mph on 12psi - WatTuned

  3. #3
    Advanced Tuner PurpleRam's Avatar
    Join Date
    Aug 2017
    Location
    Quakertown PA
    Posts
    483
    Quote Originally Posted by HB Tuning View Post
    Hi guys,

    I need a help with a Chrysler 300C 5.7 Hemi with a Vortech V3-S1 supercharger, the car starts to "cut" between 2000 to 3000rpms, only in WOT condition, the only parameter that i found wierd is the Total AirFlow, it goes up and down when the car is "cutting", if you go smoothly to 3000rpms and then you WOT the car goes perfect. I'm adding the tune and log.

    Thanks 300C 5.7 AUTO VORTECH FIC1000.hptLOG_04_street.hpl
    Log Throttle V , it'll tell you if the TB is fluttering when TAF is cutting out.

    1) the Airflow table is STOCK.
    2) P2173&2175 In Engine Diag are both stock
    04 RAMGTX........ 8.91@151mph 392Ci G3Hemi 3600lbs 2.6HP/Ci Naturally Aspirated
    05 RAMGTxtreme 9:45@142mph 426Ci G3Hemi 4000lbs 2.2HP/Ci Naturally Aspirated
    09 Challenger Drag Pak 8.88@150mph 376Ci G3hemi 3650lbs 2.6HP/Ci Naturally Aspirated
    G3 Hemi Videos

    https://www.youtube.com/channel/UClS...5mXdDR5sOxs10Q

  4. #4
    Advanced Tuner f.creek-ranch's Avatar
    Join Date
    May 2018
    Location
    Germany
    Posts
    590
    You can try Throttle Adaption Disable.

  5. #5
    Potential Tuner
    Join Date
    May 2024
    Posts
    3
    Quote Originally Posted by PurpleRam View Post
    Log Throttle V , it'll tell you if the TB is fluttering when TAF is cutting out.

    1) the Airflow table is STOCK.
    2) P2173&2175 In Engine Diag are both stock
    I did and works way better, still cutting sometimes, but way better, i'll work in this parameters another time and test, do you have any suggestion for the values?

    thank you for the help.

  6. #6
    Potential Tuner
    Join Date
    May 2024
    Posts
    3
    Quote Originally Posted by jefo View Post
    I can't see the log as I have the old software, but on a different note noticed torque management is completely turned off. Probably want to turn that back on to keep the trans happy if its stock.

    Might try raising airflow limits under engine and engine diag to start.
    Thanks for the help Jefo, i tuned all torque management off to try if is something wrong with the parameters, but it didn't work. Raise airflow makes the car run way better, but still with some cuts.

    Tks.

  7. #7
    Flash this , i raised all the limiters and put back TQ Management in your trans as if you drive it like that it will blow up. now your issue you're having i bet is from fuel pressure dropping based off how far off your fueling is in your VE Table , have you checked your FP under a load ?
    Attached Files Attached Files