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Thread: Injector question

  1. #1

    Injector question

    Can anyone tell me the ?lbs/hr of these injectors. (Delphi 25320288) They came in a 2000 6.0 silverado. I need the info so I can update the injector field in HPT. I looked on the web and can find the injector but not the lbs per hr.
    Here are all the numbers on the injector.
    25320288
    17113553
    8149B
    3A
    Thanks in advance.
    2002 Chevy ECSB, 6.0 - 4L80, Comp Cam 226/270 .520/.524 Lift 115 Lobe - Magnaflow exhaust -Free flow cats K/N Kit - Electric fans - 3.73

  2. #2
    Advanced Tuner
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    I'd post on performance trucks and see what you can find.

    I searched there and found conflicting results. 25.7, 28, apparently those are ran in the 4.8l also.
    98 - z/28 Twin TC76's l forged 347 l boost cam l moser 9" l th400
    07.5 - GMC Sierra 2500HD D-Max daily
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  3. #3
    Thanks 98Camarod. I found on line the cc/min is 226 which coverts to 21.53 lbs. The dealer thinks there 22lbs but there not sure. I'm going to roll with the 22lbs for now and see what happens, but I will post on performance truck. Thanks for the help.
    Last edited by always last; 01-22-2009 at 06:15 PM.
    2002 Chevy ECSB, 6.0 - 4L80, Comp Cam 226/270 .520/.524 Lift 115 Lobe - Magnaflow exhaust -Free flow cats K/N Kit - Electric fans - 3.73

  4. #4
    Tuning Addict WS6FirebirdTA00's Avatar
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    You could have just looked in a stock tune, it is the easiest way with all the false injector numbers all over the internet.
    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

  5. #5
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    I am about 95% sure that they are 24.7 lbs an hour
    2017 Silverado LTZ

  6. #6
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    Quote Originally Posted by WS6FirebirdTA00 View Post
    You could have just looked in a stock tune, it is the easiest way with all the false injector numbers all over the internet.

    , Ditto.
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  7. #7
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    that 21.53 lbs rating is at 43 psi . these are rated anywhere from 24.8 to 25.7 in stock gm tunes.

  8. #8
    Quote Originally Posted by WS6FirebirdTA00 View Post
    You could have just looked in a stock tune, it is the easiest way with all the false injector numbers all over the internet.
    Would that be flow rate vs kpa. Because that shows 24.25
    Last edited by always last; 01-22-2009 at 06:10 PM.
    2002 Chevy ECSB, 6.0 - 4L80, Comp Cam 226/270 .520/.524 Lift 115 Lobe - Magnaflow exhaust -Free flow cats K/N Kit - Electric fans - 3.73

  9. #9
    Tuning Addict WS6FirebirdTA00's Avatar
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    yes, look at 0 kPa vac. and that is the flow rate at the stock pressure
    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

  10. #10
    Thank you.
    2002 Chevy ECSB, 6.0 - 4L80, Comp Cam 226/270 .520/.524 Lift 115 Lobe - Magnaflow exhaust -Free flow cats K/N Kit - Electric fans - 3.73