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Thread: 42# injectors

  1. #1
    Senior Member
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    Default 42# injectors

    does anyone know where i can get a good deal on some 42# injectors and which ones would be best for my T\A i bought some 60#ers but they are just to big nothing worse than waisting $
    thanx
    2002 ws6 stock short block
    GMPP cnc LS6 Heads 11.4:1 cr
    .576 i .581 e 116 lobe
    D1SC @ 10#
    723 rwhp 654 rwtq on E-85

  2. #2
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    Quote Originally Posted by vatman02
    does anyone know where i can get a good deal on some 42# injectors and which ones would be best for my T\A i bought some 60#ers but they are just to big nothing worse than waisting $
    thanx
    Why are the 60's to big? I see alot of H/C cars running them fine when calibrated correctly. I have Racetronix 42's that rate at 48 with LS1 pressure. They've come down in price last I checked. Around $39 each. Some say they are touchy down low but I'm blaming the cam...lol

  3. #3
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    i live at 5800 feet and only get 80% of the air as sea level i can get them idle at 14.7 but it wont drive without bucking and stubling it needs to small of a pulse width to be stable the lowest i was able to get the pulse width was 1.6 ms i also have 62 psi fuel pressure that adds to problem ive been told by numerous people they should work but i cant make it happen ive tried everything i could find here and else where to no avail lets just call the new ones exspensive asprin the car runs great with the stock 28#ers but gets lean at 125 kpa and a duty cycle of 232%
    2002 ws6 stock short block
    GMPP cnc LS6 Heads 11.4:1 cr
    .576 i .581 e 116 lobe
    D1SC @ 10#
    723 rwhp 654 rwtq on E-85

  4. #4
    EFILive Reseller kbracing96's Avatar
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    You in Denver? I'm in WY about 2 1/2 hours north of Denver. Would you want to sell those 60's for a good deal? My trucks getting close to running out of injector
    01 ECSB 1/2 ton 4x4 Forged 5.7 LS1 GMC

    Custom KBracing front mounted, BW S480, intercooled turbo


  5. #5
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    yes i would i acually have them in the for sale area but was looking more to trade for 42s but i will sell them they will however need new o-rings i ripped a few of them putting them in and out so many times you can reuse your current o-rings and sould be ok i used the ones off the stock injectors and had no issues
    2002 ws6 stock short block
    GMPP cnc LS6 Heads 11.4:1 cr
    .576 i .581 e 116 lobe
    D1SC @ 10#
    723 rwhp 654 rwtq on E-85

  6. #6
    Lifetime Member Bruce Melton's Avatar
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    2000 C5 Coupe, 6M, Callies/Mahle stroked LS7 (441), Blackwing, Halltech, LS3 intake, 90mm Shaner TB, ported L92 heads, FAST 50# inj, not too much cam, Kooks 1 7/8" headers , 3" catless mid pipes, Z TIs, track suspension, , 3:90 rear, EFI V2, LM-2, etc.
    PowrMax Performance

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    LM-2 EFILIve package with TAQ -sLM2 V-2 serial cable> Package deals

  7. #7
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    hey thanx Bruce i wont tell a soul
    2002 ws6 stock short block
    GMPP cnc LS6 Heads 11.4:1 cr
    .576 i .581 e 116 lobe
    D1SC @ 10#
    723 rwhp 654 rwtq on E-85

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