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Thread: Sierra SS

  1. #11
    Join Date
    Nov 2007
    Location
    Bakersville, NC
    Posts
    608
    A few more mods.



    862 heads

    LS2 INT valves

    EBAY headers




    David,
    2003 GMC Sierra Denali, LQ4, AWD, AWS, 4.10, Wheatley 93 tune, LT headers, GMPP CAI, BBK 80mm TB, MSD wires, E3 plugs, 160* T-stat, Flowmonster DI/DO, cutouts. Working on 4.8 heads, just purchased Comp 228R cam, 918 Springs, TI retainers, 7.4 hardend pushrods,

  2. #12
    Join Date
    Nov 2007
    Location
    Bakersville, NC
    Posts
    608
    Slowly moving along




    David,
    2003 GMC Sierra Denali, LQ4, AWD, AWS, 4.10, Wheatley 93 tune, LT headers, GMPP CAI, BBK 80mm TB, MSD wires, E3 plugs, 160* T-stat, Flowmonster DI/DO, cutouts. Working on 4.8 heads, just purchased Comp 228R cam, 918 Springs, TI retainers, 7.4 hardend pushrods,

  3. #13
    Join Date
    Oct 2011
    Location
    San Antonio TX
    Posts
    1,150
    Those quadrasteer trucks are a rare breed. Nice do that front end treatment and with that cowl hood itll look mean for sure.


    4.8, TSP 220, 6L90 swap, 3400 Stall, 4.10s w/30" drag radial and T76 @ 16lbs.
    Best ET 11.54@114 w 1.52 60ft
    Raceweight 4905 lbs.

  4. #14
    Join Date
    Sep 2007
    Location
    Broken Bow, OK
    Posts
    1,434
    What all are you doing to the heads?

  5. #15
    Join Date
    Oct 2011
    Location
    Fayetteville , NC
    Posts
    163
    Quote Originally Posted by SIERRA SS View Post
    A few more mods.



    862 heads

    LS2 INT valves

    EBAY headers




    I hope the E-Bay headers work better for you than they do for me. I had to have the Y welded together. They dont leak at the heads which is the only good thing. but they do leak at the collectors due to the ring around the collector being so flimsy that when you tighten it down it bends. After a pass down the track they glow red hot.
    '02 GMC RCStepSide 4.8 , Thumpr Cam , 3200 Stall , OBX LTs , MSD Wires , TrueTrac , 4.10s , 3/5 Drop , bolt in traction bars by LSX Powersports , EFI Live tune by LSX Powersports

    15.2 @ 90 , 2.3 60' (Only mods at this time , LTs)

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