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Thread: 6.0L with 5.3's heads??

  1. #11
    Join Date
    Feb 2008
    Location
    Arizona
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    648
    Quote Originally Posted by skeet View Post
    heres a comparison dyno the red ( 402 rwhp) is when i had ported 706 5.3 heads..






    the blue line is from a head and cam swap
    38rwhp for the cam and L92 heads?? That'll work!!
    06' Silverado RCSB 5.3L 4wd..
    PERFORMANCE: Cam, Springs, Pushrods, P&P heads & 3 angle valve job, Injectors, PS LT's & ORY, Nelson Tune, Catback, CAI, Comp Cam Double Timing Chain, HP Oil Pump, UD Pullies, ARP bolts, Stall, TBS, 4.10's, Iridium NGK's, G-80, 160 t-stat, HD-2 & Vette Servo, 46,000 tranny cooler, 75-125hp shot of funny Gas..
    HID's Hi, Lows & Fogs
    Waiting to be installed: LC-1 WB & Standalone system

  2. #12
    Join Date
    Oct 2008
    Location
    Houston
    Posts
    807
    Quote Originally Posted by White Devil View Post
    38rwhp for the cam and L92 heads?? That'll work!!

    you're missing the real story on that Dyno graph.

    I would love to see the "avg. hp" difference in those two graphs.
    I bets its a LOT more than a 38hp gain.

    Avg. HP matters a lot more than Peak HP
    2002 Tahoe 4.8 - soon to be turbo'd - SOLD
    1989 Mustang - LX Vert - 351W-TT - 2inches of dust covering it
    2012 Raptor - 497rwhp at 10psi
    If you aint breaking - you aint going fast enough

  3. #13
    Join Date
    May 2008
    Posts
    315
    they will be fine especially if you had them add larger valves when you had them done the first time.
    s10 with 4l60e and cammed 5.3 on the road!THREAD
    "People sleep peaceably in their beds at night only because rough men stand ready to do violence on their behalf.".

  4. #14
    Join Date
    Feb 2008
    Location
    Arizona
    Posts
    648
    So, L92 heads will work even better on a Lq9?? You also need to replace the intake right?
    06' Silverado RCSB 5.3L 4wd..
    PERFORMANCE: Cam, Springs, Pushrods, P&P heads & 3 angle valve job, Injectors, PS LT's & ORY, Nelson Tune, Catback, CAI, Comp Cam Double Timing Chain, HP Oil Pump, UD Pullies, ARP bolts, Stall, TBS, 4.10's, Iridium NGK's, G-80, 160 t-stat, HD-2 & Vette Servo, 46,000 tranny cooler, 75-125hp shot of funny Gas..
    HID's Hi, Lows & Fogs
    Waiting to be installed: LC-1 WB & Standalone system

  5. #15
    Join Date
    Feb 2007
    Location
    Fort Worth
    Posts
    9,578
    Correct and correct.

    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

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