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Thread: Max MAP

  1. #1
    Advanced Tuner coanan's Avatar
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    Max MAP

    Has to be a work around with Max MAP capped at 2-bar with these older PCMs


    With it set to 200kpa I see boost to 15.6 on gauge.

    With it set to 300kpa I see boost above 16 on gauge before it cuts out.

    If this doesn't matter as some say, just leave it at 195kpa, then why even change the setting from 1-BAR when boosting.

    I'm new to this higher boost stuff, so maybe I'm just pissing in the wind.
    Last edited by coanan; 05-27-2022 at 11:52 AM.
    2018 Trackhawk PCM/TCM tune by Dusterhoff.
    Flex Fuel, MMX faux 95mm TB, GripTec 2.85, 10% ATI lower, FIC1200, ARH 1 7/8 w/cats, 180 T-stat

    13 Chrysler 300S, RAM BGE 412 stroker, cam motion 232/246 619/619 118 +4, ATI 18% OD pulley
    Whipple Gen5 3.0, 2.50 upper pulley, Smooth Boost controller, FIC 1200 inj. Nick W 108mm TB, FORE dual return fuel system, E85, FTI 2800 stall(SRT83380), SHR WAR Viking trans and valve body, Getrag 3.73, 1 7/8 kooks w/hi-flow cats, 3" Magnaflow Cat-back 943rwhp

  2. #2
    Advanced Tuner coanan's Avatar
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    found this on HHPs site. only applies to the 5.7????

    A question.

    4 months ago
    drive 2014 Chrysler 300c 5.7 AWD and swap the 5.7 intake manifold off and running 6.1 intake Manifold will this fit?

    their answer

    4 months ago
    This will fit the 6.1L intake perfectly fine, you will just use 1 bolt instead of two to secure it. It may be overkill since there is a factory boost limitation in the VVT 5.7L preventing the PCM from reading past 2.0 bar so the extra boost capability is unusable - i.e. the 2 bar map sensor also works fine.
    Last edited by coanan; 05-27-2022 at 03:46 PM.
    2018 Trackhawk PCM/TCM tune by Dusterhoff.
    Flex Fuel, MMX faux 95mm TB, GripTec 2.85, 10% ATI lower, FIC1200, ARH 1 7/8 w/cats, 180 T-stat

    13 Chrysler 300S, RAM BGE 412 stroker, cam motion 232/246 619/619 118 +4, ATI 18% OD pulley
    Whipple Gen5 3.0, 2.50 upper pulley, Smooth Boost controller, FIC 1200 inj. Nick W 108mm TB, FORE dual return fuel system, E85, FTI 2800 stall(SRT83380), SHR WAR Viking trans and valve body, Getrag 3.73, 1 7/8 kooks w/hi-flow cats, 3" Magnaflow Cat-back 943rwhp