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

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  1. #1
    Join Date
    Jul 2006
    Location
    College Station, TX
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    652

    Just how much HP can the stock 1500 rearend take.

    I was curious. I have the 10 bolt 8.5 rear end with the G80 and I wondering just how much power it can handle before it blows? What do yall think?
    2004 EXC Silverado 6.2L
    Mods:
    6.2L L92, Ported and Polished stage 3 heads, 95mm Throttle Body, 100mm MAF, NA, Pacesetter LT Headers, Magnaflow X-Pipe Muffler, Electric Fans, 160* thermostat, 2" Drop Shackles, Hellwig Sway Bars Front and Rear, Monroe Reflex Shocks, NGK Spark Plugs, AMW Oil Catch Can, 17"x10" wheels on Kuhmo Tires.

  2. #2
    Join Date
    Nov 2006
    Location
    Mesquite, TX
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    4,321
    not much, i blew mine pretty quick in my truck even with AWD
    2006 silverado SS....Clifford Jr...turbo coming soon
    1970 Chevelle ly6 swap....d1 coming soon

  3. #3
    Join Date
    Aug 2008
    Location
    North Texas
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    12,078
    Depends on traction.

  4. #4
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    Sep 2008
    Location
    southside VA
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    684
    i always heard these rearends are crappy

  5. #5
    Join Date
    Jul 2006
    Location
    College Station, TX
    Posts
    652
    which part of the rear end seems to break first? the gears or the differential?
    2004 EXC Silverado 6.2L
    Mods:
    6.2L L92, Ported and Polished stage 3 heads, 95mm Throttle Body, 100mm MAF, NA, Pacesetter LT Headers, Magnaflow X-Pipe Muffler, Electric Fans, 160* thermostat, 2" Drop Shackles, Hellwig Sway Bars Front and Rear, Monroe Reflex Shocks, NGK Spark Plugs, AMW Oil Catch Can, 17"x10" wheels on Kuhmo Tires.

  6. #6
    Join Date
    Nov 2006
    Location
    Mesquite, TX
    Posts
    4,321
    the carrier...usually blow it to hell
    2006 silverado SS....Clifford Jr...turbo coming soon
    1970 Chevelle ly6 swap....d1 coming soon

  7. #7
    Join Date
    Jul 2006
    Location
    College Station, TX
    Posts
    652
    How many people do you know has this happened to? Also do you know how much HP they were putting through the rear end?
    2004 EXC Silverado 6.2L
    Mods:
    6.2L L92, Ported and Polished stage 3 heads, 95mm Throttle Body, 100mm MAF, NA, Pacesetter LT Headers, Magnaflow X-Pipe Muffler, Electric Fans, 160* thermostat, 2" Drop Shackles, Hellwig Sway Bars Front and Rear, Monroe Reflex Shocks, NGK Spark Plugs, AMW Oil Catch Can, 17"x10" wheels on Kuhmo Tires.

  8. #8
    Join Date
    May 2008
    Location
    Crossett,Ar
    Posts
    2,382
    It doesnt take much to make a G80 blow. Its the bomb havent ya heard? A stock truck given enough abuse can blow one.

    06 Intimidator SS- Tuned, CAI -DD
    03 Silverado- Last incarnation 13.6... RIP
    Ls1, Pnp heads, Polluter camshaft, spray, 4k stall on the way
    "Seize the day like you seize your noodle" - Shin Chan

  9. #9
    Join Date
    Nov 2006
    Location
    Mesquite, TX
    Posts
    4,321
    quite a few people, mostly at the track when they hook, i had it happen in my 05 truck also with 350rwhp
    2006 silverado SS....Clifford Jr...turbo coming soon
    1970 Chevelle ly6 swap....d1 coming soon

  10. #10
    Join Date
    Mar 2003
    Location
    San Antonio, TX
    Posts
    11,038
    It can't take a 5psi launch, in an Avalanche, and slicks lol.

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