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Thread: WTB Bigger Injectors for stock 5.3 intake

  1. #1
    Join Date
    Aug 2009
    Location
    Humble, TX
    Posts
    91

    WTB Bigger Injectors for stock 5.3 intake

    Something that'll fit in a 04 5.3, and only have to make minor modifications at the most to make fit..... Need atleast 32lb injectors

    let me know what you have, thanks

    * 2002 Chevy Silverado RCSB w/ 4.3 to 5.3 swap
    Installed: McGaughys full 2/4|HD hood/Z71 Airdam|Circle D Built Trans & 3200 stall|34" fans/radiator|True Trac w/ 3.73s|V8 Swap w/ Milled Heads and Comp valvetrain|Custom Grind 22x/23x Cam|Pacesetters LTs & ORY|Magnaflow|Wheatley Tune
    Future Mods: Paint (Sunset Orange Metallic), milled 243s, possibly a 6.0 with either turbo or procharger
    * 2008 GMC CC Texas Edition: stock with CAI

  2. #2
    Join Date
    Jul 2008
    Location
    The Garage
    Posts
    1,330
    Just get some Delphi 43#ers, that's what I run and they're not too expensive. I'm about 90% sure they are the stock injectors on the 8.1L - That said, they will be a direct swap since they are stock injecors for other chevys.

    ~ Forged engine of some type ~ Ball bearing turbo of an unconfirmed size ~ 4L8000 trans ~ Beefy fuel system ~

  3. #3
    Join Date
    Sep 2007
    Location
    Broken Bow, OK
    Posts
    1,434
    Quote Originally Posted by jetmech View Post
    Just get some Delphi 43#ers, that's what I run and they're not too expensive. I'm about 90% sure they are the stock injectors on the 8.1L - That said, they will be a direct swap since they are stock injecors for other chevys.
    The marine 8.1L maybe, not the truck. Flex fuel 5.3 injectors might be good for you as well.

  4. #4
    Join Date
    Aug 2009
    Location
    Humble, TX
    Posts
    91
    Delphi 43er's? You mean Marine 8.1L.... I can't find any Marine 8.1

    Quote Originally Posted by PitchBlackC3 View Post
    The marine 8.1L maybe, not the truck. Flex fuel 5.3 injectors might be good for you as well.
    I've been lookin for some flexfuel injectors also but can't find any.... or yards won't sell them

    I just want some injetcors so i can go get my truck tuned so it'll run like its supposed to

    * 2002 Chevy Silverado RCSB w/ 4.3 to 5.3 swap
    Installed: McGaughys full 2/4|HD hood/Z71 Airdam|Circle D Built Trans & 3200 stall|34" fans/radiator|True Trac w/ 3.73s|V8 Swap w/ Milled Heads and Comp valvetrain|Custom Grind 22x/23x Cam|Pacesetters LTs & ORY|Magnaflow|Wheatley Tune
    Future Mods: Paint (Sunset Orange Metallic), milled 243s, possibly a 6.0 with either turbo or procharger
    * 2008 GMC CC Texas Edition: stock with CAI

  5. #5
    Join Date
    May 2007
    Location
    Phx ,AZ
    Posts
    218
    I just seen some 42s on pt
    Truck 2002 Chevy with
    old setup KB turbo kit MP70 LS1
    New setup stock for now

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