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Thread: 2014 c7 stingray procharged wont go over 5300rpm.

  1. #1
    Tuner in Training
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    Jan 2009
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    2014 c7 stingray procharged wont go over 5300rpm.

    Hi fellas

    Here we are working on a 2014 lt1 with a f1c procharger
    were running a f.o.r.e. triple pump kit and a holley hp for 2nd set of squirters...
    however we are not able to get past 5300rpm. it simply cuts the throttle.
    i believe its something with the fuel system pissing off the ecm.
    has codes for fuel pump secondary circuit open...its a permanent code. how do we get around this where the fpcm is not controlling fuel pressure or anything anymore
    please dont come at me with its the driver demand table ive raised and lowered that stupid table every way possible it doesnt careAttachment 113482Attachment 113483
    Last edited by i tried; 09-16-2021 at 09:21 PM.

  2. #2
    Tuner in Training
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    nevermind. it wasnt the throttle it was the inlet boot to the supercharger collapsing cutting of all airflow

  3. #3
    Senior Tuner Ben Charles's Avatar
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    Throttle is easy to see in the program… but yes a silicone or rubber hose can shut very easy

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