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Thread: turbo l61 ecotec j-boby tuning question

  1. #1

    turbo l61 ecotec j-boby tuning question

    hi all


    here my question
    i am trying to tune my AFR but i am already set at 120 of ve offset and this is too lean when wot with boost
    what need i to do?
    does i need to change my injector constant ? explain plz
    does i need to increase my ve offset to allow more than 120% and what is it the limit can i increase ? explain plz
    does i need to change my injector once a time for bigger one ?

    i join my tune and a log street tune ( see at 24 second )

    here a quick list of my modification ( sunfire 2003 manuel ecotec l61 )
    2.2 ecotec forged with cam
    running 28 psi of boost ( turbo )
    75 lbs lucas injector
    fuel pressure increase is 1 for 1
    map 2.5 bar ( i know it cannot read the entire boost but idc, iam always wot anyway )
    injector constant is set to .15050

    sorry for my English if its not perfect :P
    Last edited by [email protected]; 08-10-2019 at 11:52 PM.