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Thread: injector tuning

  1. #1

    Default injector tuning

    is there anyway to figure out how to set up my new injectors i am putting in my motor, or a good place to start. it's an L29 7.4 liter the injectors are bosch design 3, 28lbs @ 4 bar. and i will be running comp cam 249-01-415-8. i know they need to be toned down as they are to big for just a cam. but leave room for further improvements.

    the stock injectors were 19lbs @ 4bar.

  2. #2
    Lifetime Member
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    Mar 2009
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    746

    Default

    B1058 is your injector flow rate in grams per second. Once you put that in, you'll be largely on your way, but I don't know how to adjust the finer things like B1066, small pulse threshold, or figuring out if these new injectors will require different voltage compensation values.

  3. #3

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    They sound like they are a OEM injector at 28 lbs/4BAR. I would fine a stock calibration that uses those injectors and carry over ALL of the injector data. GM spent big bucks to get that data you mind as well scarf it!

    A stock 2002-2004 LS6 motor should have that data. I suggest you confirm your EXACT injector and make sure its a GM 28lber at 4 BAR first.

    Howard

    www.redline-motorsports.net

    1-954-703-5560

    2006 ZO6 895/866 with APS TT
    2010 SSRS Camaro HTR-900TT (798/801)
    2011 HTR-850R Camaro
    2012 ZL1 Auto (10.33@135 MPH) Video Here!

  4. #4

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    they are form a reputable company so im sure the dealer is right. but i dont think i could use the stock calibrations as they would be for a 411 pcm i believe and i still have the black box. i dont know how many tables would be even close out of the few i have.

  5. #5
    Senior Member
    Join Date
    Jul 2005
    Posts
    188

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    The stock L29 injectors flow 22.5 #/hr(2.84 g/sec) at 4 BAR.

    I am also running injectors that flow 28 #/hr at 4 BAR in my Vortec 350.

    peace
    Hog
    1997 rcsb stock L31 longblock, Marine Intake with 28# EV6 injectors, L35 2700 stall TC,Hooker LT's 2.007 60ft

  6. #6

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    was it a pain to tune for these injectors with the black box pcm

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