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Thread: fuelpump & fuel lnjecters

  1. #1
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    fuelpump & fuel lnjecters

    hi guys well i'm getting ready to drop in my LSX in my 2004 chevy so my question is will my stock fuel pump will deliver enough fuel to my engine and if I have to go bigger on the fuel injecters thanks guys.
    2004 Silverado:THELSX L.M.E LSX 454 C.I tuned by Llavero 11.1 N/A @121 MPH
    2004 Sierra:GUNSLINGER L.M.E LSX 427C.I,Twin Borg Warner/Forced Induction 76mm, th400, Ford 9" with ladder bar

  2. #2
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    454??

  3. #3
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    Quote Originally Posted by STUNNA View Post
    454??
    yea bro
    2004 Silverado:THELSX L.M.E LSX 454 C.I tuned by Llavero 11.1 N/A @121 MPH
    2004 Sierra:GUNSLINGER L.M.E LSX 427C.I,Twin Borg Warner/Forced Induction 76mm, th400, Ford 9" with ladder bar

  4. #4
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    heck no, walbro upgrade and at leat 42lbs injectors
    [IMG]https://images.app.goo.gl/XLfskemekXBo5VfS7/IMG]
    www.tjc.edu

  5. #5
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    Quote Originally Posted by molitor View Post
    heck no, walbro upgrade and at leat 42lbs injectors
    thats what I thought!!!
    2004 Silverado:THELSX L.M.E LSX 454 C.I tuned by Llavero 11.1 N/A @121 MPH
    2004 Sierra:GUNSLINGER L.M.E LSX 427C.I,Twin Borg Warner/Forced Induction 76mm, th400, Ford 9" with ladder bar

  6. #6
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    Might as well go 60's just to be safe and give you room to grow.

    2004 Silverado Crew Cab, forged iron 5.7, STS w/MP turbo, 10+ psi, FMIC, Tial 50mm BOV, Vic Jr, Snow performance meth, MTI Stealth cam .220/.220 .581/.581 115lsa, Comp chromoly pushrods, Yank TT3000 stall, LS1 Efans, 160 tstat, Trucool 40k trans cooler, 60# injectors, Walbro fuel pump, Patriot springs, Built 4l65E w/billet input & output shafts, Eaton posi, SD tuned...all installed by Klein North Automotive

  7. #7
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    Quote Originally Posted by ramair2002 View Post
    Might as well go 60's just to be safe and give you room to grow.
    where did you get your walbro pump and injectors? if I my ask.
    2004 Silverado:THELSX L.M.E LSX 454 C.I tuned by Llavero 11.1 N/A @121 MPH
    2004 Sierra:GUNSLINGER L.M.E LSX 427C.I,Twin Borg Warner/Forced Induction 76mm, th400, Ford 9" with ladder bar

  8. #8
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    Nelson Performance - Products These guy are really good n friendly.
    99 Silverado 1500 4x4 RC 4.8
    4L60E, 3.73, Homemade CAI, 92oct Quik tuned,
    08 Tahoe radiator/fans, Dumped exhaust... summed up one loud pig caller |[226K! on odometer|

  9. #9
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    Quote Originally Posted by Rene_lsx View Post
    where did you get your walbro pump and injectors? if I my ask.
    I actually got my Walbro with the STS kit when I bought it about 3 years ago from a place called TRT out of Dallas (no longer in business). I got my injectors from Nelson Performance and if I had to get another pump, I would get the Walbro from them also. The Walbro is pretty cheap ~$110. Give them a call or pm Melissa on here, they'll hook you up.

    That's going to be a sick ride! What are your goals? N/A, FI, Spray?

    2004 Silverado Crew Cab, forged iron 5.7, STS w/MP turbo, 10+ psi, FMIC, Tial 50mm BOV, Vic Jr, Snow performance meth, MTI Stealth cam .220/.220 .581/.581 115lsa, Comp chromoly pushrods, Yank TT3000 stall, LS1 Efans, 160 tstat, Trucool 40k trans cooler, 60# injectors, Walbro fuel pump, Patriot springs, Built 4l65E w/billet input & output shafts, Eaton posi, SD tuned...all installed by Klein North Automotive

  10. #10
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    Quote Originally Posted by ramair2002 View Post
    I actually got my Walbro with the STS kit when I bought it about 3 years ago from a place called TRT out of Dallas (no longer in business). I got my injectors from Nelson Performance and if I had to get another pump, I would get the Walbro from them also. The Walbro is pretty cheap ~$110. Give them a call or pm Melissa on here, they'll hook you up.

    That's going to be a sick ride! What are your goals? N/A, FI, Spray?
    thanks bro my goal is to get in the 10's. N/A
    2004 Silverado:THELSX L.M.E LSX 454 C.I tuned by Llavero 11.1 N/A @121 MPH
    2004 Sierra:GUNSLINGER L.M.E LSX 427C.I,Twin Borg Warner/Forced Induction 76mm, th400, Ford 9" with ladder bar

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