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Thread: Correct IFR tables for LS3/LS7 injectors in Gen III

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  1. #1
    Junior Member
    Join Date
    Dec 2007
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    Default Correct IFR tables for LS3/LS7 injectors in Gen III

    I have an 04 Silverado PCM and Ive swapped LS3 heads, intake, and injectors on my 6.0L (LQ9).

    Ive been doing some AutoVE tuning just to get the hang of things. Ive got that down and my LTFT are 0-3% almost all the time.

    Now I want to stop practicing and do it right, Ive read that its best to use a GM injector because GM did all the work with ALL the other setting besides flow rate. So I chose a stock injector specifically for that reason. I thought it would just be a "copy and paste" all of the tables, but they do not line up at all and some tables just dont exist. Im assuming its since the LS3 and LS7 cars use a different PCM.

    How do I make sure my IFR tables are correct? Ive found stock tunes for LS3 and LS7 Vettes on holdencrazy but dont have the knowledge to swap/convert everything.
    Last edited by joecar; October 18th, 2009 at 06:59 AM. Reason: Fixed title spelling...

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