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Thread: Injector swap

  1. #1
    Tuner in Training
    Join Date
    Feb 2010
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    34

    Injector swap

    I am swapping the injectors in my 2000 C/K truck with a 7.4L engine. What do i need to change in my tune besides the injector flow rate the stock injectors are 19.4lbs/ H and the new ones are 23.3lbs/H

  2. #2
    Tuning Addict WS6FirebirdTA00's Avatar
    Join Date
    Jan 2005
    Location
    Concord, NC
    Posts
    8,093
    all the other injector parameters that are available also need to be set correctly.
    Sulski Performance Tuning
    2000 WS6 M6 - LS6 (long block, refreshed top end), 10.8:1 CR, 90 mm ported FAST, Exo-Skel, 227/232 cam, QTP HVMC, EWP, GMMG, 9" w/4.11s
    2018 Sierra SLT 5.3L A8 - Airaid intake tube, GM Borla catback, L86 Intake/Ported TB

  3. #3
    Tuner in Training
    Join Date
    Feb 2010
    Posts
    34
    Here is my stock tune and my current tune. the injectors I put in are GM part number 25313185 and the specs i could find on there are lbs/H 23.3 cc/min 244.9 grams 176.1 43.5 psi