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Thread: 2017 ram 5.7l hemi cam swap running rich bank 1-2

  1. #1
    Potential Tuner
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    Dec 2023
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    2017 ram 5.7l hemi cam swap running rich bank 1-2

    Installed sdpc el Chapo cam 214/221 duration with 108 lobe separation hell cat lifters new push rods new 660 springs shorty headers sent the ecm to livernois to unlock had my tuner put a base tune in it'll start easy every time cold after it warms up goes super rich chokes up dies an hard to start back unless you give it throttle changed the IAT the O2 sensors an plugs again but still getting same codes an issues

  2. #2
    Tuner
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    Aug 2021
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    Post your tune and let's have a look...
    2016 Ram CCSB Forged NA 396ci Stroker
    +2.5cc Flat/Dome Mahle Power-Pak Forged Pistons w/13.2/1 CR on E85
    Forged Manley 4.05" Stroke Crank/Speed Master Valvetrain
    Race Ported Eagles/Titanium 2.12"/Titanium 1.62" Valves
    Custom Cam 235/249 .629/.629 111LSA 110ICL+1Adv
    Ported Holley Hi-Ram Intake/NXpress Hi-Ram NO2 Plate kit w/250 Shot(4 sec)
    Tx Spd 2" Long Tubes/Active Viper Hood/2-Step
    ATI SD w/15% UD/Dual 450 Pumps/Fuel Cell in Bed/Demon 700cc Inj
    3800 stall/Det Tru-Trac/410 Gears

  3. #3
    Advanced Tuner
    Join Date
    Jan 2022
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    904
    do you have to install a limiter with those tight lobe centers?

    what is your valve to piston?

    in a 5.7 if the log shows ECL 128 (no matter what you put in the tune) the cam is not where its posed to be

    always oughta check centerline before installing valve train, turning the engine over, or buttoning up

  4. #4
    Potential Tuner
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    Dec 2023
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    From what I understand talking to the guys at sdpc that cam is drop in don't need springs but are recommend and that mds be deleted and said it wasn't real hard to tune it'll start an run great cold soon as it warms up it gets super rich an dies and is super hard to start back

  5. #5
    Potential Tuner
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    Dec 2023
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    3
    And yes I had to install the cam phaser lock on that cam