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Thread: Thinking of upgrading

  1. #1
    Join Date
    Nov 2004
    Posts
    96
    Which fuel pump and injectors are the best bang for the buck. Going on a stock 4.8 with 6-psi, wanting to get rid of the FMU. Also what size are my stock injectors, and the rating of my stock fuel pump-just curious. Thanks Brett

  2. #2
    Join Date
    Feb 2007
    Location
    Fort Worth
    Posts
    9,578
    <div class='quotetop'>QUOTE(2001silverado &#064; Jun 18 2007, 11&#58;10 AM) [snapback]97127[/snapback]</div>
    Which fuel pump and injectors are the best bang for the buck. Going on a stock 4.8 with 6-psi, wanting to get rid of the FMU. Also what size are my stock injectors, and the rating of my stock fuel pump-just curious. Thanks Brett
    [/b]
    Get a Walbro 255l/ph in-tank pump from TRT or Nelson. You can get a set of the 8.1L (31#) injectors for pretty cheap on Ebay. Or go with some Bosch 42# injectors. If you get a custom tune, have them cut back the 42# so they don&#39;t flow so high. You are probably running at 100% capacity on your fuel system with the Powerdyne---so get the bigger fuel rails too...


    2000 ECSB 6.0L
    TORQUER V2 CAM ● COMP 918's ● 7.4 HARDENED PUSHRODS ● K&N SERIES 77 CAI ● 80mm BBK ●PACESETTER LT HEADERS AND 3'' ORY ● SUPER 40 FLOW ● 3000 STALL ● 4.10s ● BUILT 80e ● VORTEC PERFORMANCE TUNE ● MSD 8.5mm PLUG WIRES● ELEC. CUTOUT ● UD & ALT PULLEYS ● FLEX-A-LITE E-FANS ● 22" CENTERLINE STINGRAY III's ● LUND FIBERGLASS TONNEAU ● 2" LEVELING SHACKLES ● 12K HID LOWS & FOGS ● LEDs ● DEBADGED ● WHITE-FACED ESCALADE GAUGES ● KICKER 450.1 ● 2-CVR 10's ● DS60's ● K693's

  3. #3
    Join Date
    Mar 2003
    Location
    San Antonio, TX
    Posts
    11,038
    They haven&#39;t sold yet, but this second set of injectors are &#036;250. Pump kit is &#036;135

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