+ Reply to Thread
Results 1 to 5 of 5

Thread: 5.3L fuel injector rating?

  1. #1
    Join Date
    Nov 2007
    Location
    Spiro, Oklahoma
    Posts
    316

    5.3L fuel injector rating?

    Does anyone know how much horsepower the stock injectors can support?
    1991 Silverado-L33 5.3L, 212/218 .557 .562 115+4, ASP under drive pulley,180* thermostat, 90mm truck intake w/ LS3 throttle body. Shoenfeld conversion headers and duel Flowmaster exhaust. Performabuilt LVL 1 transmission and 23-2500 stall converter.

  2. #2
    Join Date
    Dec 2007
    Location
    College Station, TX
    Posts
    1,464
    im thinkin like no more than 400 but ive been drinkin and probably am wrong.

  3. #3
    Join Date
    Nov 2007
    Location
    Spiro, Oklahoma
    Posts
    316
    lol that'll do it, anybody not under the influence know the answer?
    1991 Silverado-L33 5.3L, 212/218 .557 .562 115+4, ASP under drive pulley,180* thermostat, 90mm truck intake w/ LS3 throttle body. Shoenfeld conversion headers and duel Flowmaster exhaust. Performabuilt LVL 1 transmission and 23-2500 stall converter.

  4. #4
    Join Date
    Feb 2007
    Location
    Fort Worth
    Posts
    9,578
    They are 28 lb. injectors. I am at ~330 rwhp and they are at 98% duty cycle.

    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

  5. #5
    Join Date
    Dec 2007
    Location
    College Station, TX
    Posts
    1,464
    so way less than 400...from those^^^^^numbers id say 350 tops?

    p.s. im not drunk this time. lol

+ Reply to Thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts