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Thread: Gen3 engine swap MDS to non MDS

  1. #1
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    Gen3 engine swap MDS to non MDS

    I'm doing a motor swap on my 2011 Chrysler 300C 5.7 awd with MDS due to lifter failure and the replacement motor i purchased is a new 2022 non MDS 5.7 from Mopar. Looking at the engines side by side I'm going to have to swap oil pans, throttle body and a couple sensors; my major concern is deactivation of MDS on the ECM. I have a MPVI2 and can simply disable MDS... Is it really that simple without throwing other DTCs? Any help is much appreciated, thanks.

  2. #2
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    Quote Originally Posted by nswensy87 View Post
    I'm doing a motor swap on my 2011 Chrysler 300C 5.7 awd with MDS due to lifter failure and the replacement motor i purchased is a new 2022 non MDS 5.7 from Mopar. Looking at the engines side by side I'm going to have to swap oil pans, throttle body and a couple sensors; my major concern is deactivation of MDS on the ECM. I have a MPVI2 and can simply disable MDS... Is it really that simple without throwing other DTCs? Any help is much appreciated, thanks.
    I have the same question as you. trap the cat

  3. #3
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    Quote Originally Posted by john19 View Post
    I have the same question as you. trap the cat
    I got the engine in the car and firing it up tomorrow night with MDS disabled on the ecm. I'll let you know what it does