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Thread: Just how much HP can the stock 1500 rearend take.

  1. #11
    Join Date
    Jan 2009
    Location
    san antonio, tx
    Posts
    190
    parish went low 10's on his G80 10 bolt with 4wd!

    but yeah, if you're worried atleast replace the G80 with a trutrac or something. this is what a lot of people do and have good luck with. If you're going to be making big power w/2wd then upgrade to a 9.5 or 10.5.
    2008 Black RCSB Sierra 4.8L
    14.78 @ 90.93 mph
    My Garage

  2. #12
    Join Date
    Nov 2007
    Location
    Okeechobee, Flo-rida
    Posts
    62
    mine went out with a few simple bolt on's. mostly stock. replace it with a tru trac and you will be happy

    05 RCSB SILVY 5.3
    PS LONG TUBES W/ORY
    2/4 DROP ON 20'' GMC STOCKS
    NELSON PCM
    K&N INTAKE
    DETROIT TRU-TRAC W/ 4.10'S
    NEW TIMES 14.51 W/ 2.183 60FT

  3. #13
    Join Date
    Nov 2007
    Location
    Pittsburgh, PA
    Posts
    3,581
    carrier is weak, the axles and gears are solid but the carrier is the issue
    2002 Lightning - GT headed 5.5Litre w/ Twin 7665s
    2002 Silverado - 427Lsx w/ Twin gt4202s
    2010 Silverado crewcab Z71 - 5.3litre w/ procharger
    2000 Wrangler - 5.3litre with some stance
    2014 Xsport- 3.5 Eco boost
    412 Motorsports

    it ain't that I'm too big to listen to the rumors, It's just that I'm too damn big to pay attention to 'em..That's the difference

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