Results 1 to 6 of 6

Thread: Dodge challenger SRT8 2008 SMS supercharged 3000-3500 rpm limit issue

  1. #1
    Potential Tuner
    Join Date
    Jun 2018
    Posts
    8

    Dodge challenger SRT8 2008 SMS supercharged 3000-3500 rpm limit issue

    Hello Guys. I hope I can get help in here.
    Mods: 20mm smaller SMS supercharger pulley(0.8 bar or 11.5 PSI)
    New walbro 450 lph fuel pump
    New forged pistons, connecting rods
    Engine completely rebuilt.
    No catalytic converters.

    Story is that, everything is almost finished with mapping on hptuners, BUT now we have issue, doing dyno on 3rd gear, pressing pedal to the bottom and when it reaches about 600NM in 3 - 3.5 k range, it starts limiting the power, its clearly visible on dyno results, sound like fuel is being cut off. We tried almost all setting in trans and engine about torque limiter, looks like nothing is working. Ofcourse I can bypass that rpm issue on that range, but not pressing pedal fully, so logically something is limited for some reason. any ideas ?
    waiting for answers

  2. #2
    Advanced Tuner
    Join Date
    Jul 2015
    Posts
    925
    post a tune and log

  3. #3

  4. #4
    Potential Tuner
    Join Date
    Jun 2018
    Posts
    8
    would be very happy if you could provide some info

  5. #5
    Potential Tuner
    Join Date
    Jun 2018
    Posts
    8
    dyno shows mess IMG_5464.jpgIMG_5465.jpg
    Last edited by R3nciukas; 06-26-2018 at 11:37 AM.

  6. #6
    Advanced Tuner
    Join Date
    Feb 2016
    Posts
    431
    Try enabling sensed map and raise PR limit to 190 or 200