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Thread: G80 posi?

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  1. #1
    I've got a 92 scsb that i'm doing an ls1 swap with and i'm wondering if the g80 posi from the newer trucks is a decent locker/limited slip? Is it worth buying used or is it a waste of money? For that matter, will it even work? My understanding is that the bearings need to be pressed off and the 8.5 put on. Thanks guys

  2. #2
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    Mansfield, Texas, USA
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    No, they're junk for anything performance related.
    The superior man is modest in his speech, but exceeds in his actions. - Confucius

    "He who asks of life nothing but the improvement of his own nature, is less liable than anyone else to miss and waste life."- Henri Frederic Amiel

    '01 Chev Z71 LT - '85 BMW 745i TURBO - '88 BMW 750iL - '88 Ford F150 XLT Lariat - '79 MB 240D - '79 MB 280S Euro
    '80 MB 380SE-5.0 Euro - '85 MB 300SD - '87 MB 300SDL - 1990 MB 300SEL - '91 MB 300SE - '91 MB 560SEL

    Let's face it, the red hair... makes 'em wet.


  3. #3
    <div class='quotetop'>QUOTE(Hit Man X &#064; Jun 17 2007, 12&#58;37 AM) [snapback]97023[/snapback]</div>
    No, they&#39;re junk for anything performance related.
    [/b]

    Thanks&#33;

  4. #4
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    Fort Worth
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    9,578
    Throw on a Tru-Trac. Probably your best bet. Auburns and Eatons are ok, but they have clutches and therefore wear out faster than the Tru-Trac&#39;s geared setup. My G80 stock LSD is starting to go--heard it this weekend when it was raining and it was trying to grab, but banged around... Sounded horrible.

    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
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    Cool

    Wear out fast? Eatons last about 60-80k miles...
    The superior man is modest in his speech, but exceeds in his actions. - Confucius

    "He who asks of life nothing but the improvement of his own nature, is less liable than anyone else to miss and waste life."- Henri Frederic Amiel

    '01 Chev Z71 LT - '85 BMW 745i TURBO - '88 BMW 750iL - '88 Ford F150 XLT Lariat - '79 MB 240D - '79 MB 280S Euro
    '80 MB 380SE-5.0 Euro - '85 MB 300SD - '87 MB 300SDL - 1990 MB 300SEL - '91 MB 300SE - '91 MB 560SEL

    Let's face it, the red hair... makes 'em wet.


  6. #6
    Join Date
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    <div class='quotetop'>QUOTE(Hit Man X &#064; Jun 18 2007, 11&#58;49 AM) [snapback]97131[/snapback]</div>
    Wear out fast? Eatons last about 60-80k miles... [/b]
    I mean that they would wear out faster than a Tru-Trac would in a performance environment. I have 60K on mine and it is starting to go...


    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

  7. #7
    Join Date
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    Mansfield, Texas, USA
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    Cool

    Also depends how you drive. I have an Eaton in my F150 w/ 800lbs springs, grips like there is no tomorrow.
    The superior man is modest in his speech, but exceeds in his actions. - Confucius

    "He who asks of life nothing but the improvement of his own nature, is less liable than anyone else to miss and waste life."- Henri Frederic Amiel

    '01 Chev Z71 LT - '85 BMW 745i TURBO - '88 BMW 750iL - '88 Ford F150 XLT Lariat - '79 MB 240D - '79 MB 280S Euro
    '80 MB 380SE-5.0 Euro - '85 MB 300SD - '87 MB 300SDL - 1990 MB 300SEL - '91 MB 300SE - '91 MB 560SEL

    Let's face it, the red hair... makes 'em wet.


  8. #8
    Join Date
    Nov 2003
    Location
    Denton Texas
    Posts
    20,540
    They make great boat anchors.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  9. #9
    Join Date
    Feb 2007
    Location
    Fort Worth
    Posts
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    <div class='quotetop'>QUOTE(RedHeartbeat &#064; Jun 18 2007, 01&#58;18 PM) [snapback]97144[/snapback]</div>
    They make great boat anchors. [/b]
    ROTFLMAO&#33;&#33;&#33;&#33;


    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

  10. #10
    Join Date
    Aug 2006
    Location
    LAKECHARLES, Louisiana
    Posts
    276
    <div class='quotetop'>QUOTE(RedHeartbeat &#064; Jun 18 2007, 01&#58;18 PM) [snapback]97144[/snapback]</div>
    They make great boat anchors.
    [/b]
    Also make awesome hoopnet weights&#33; Get an auburn unit&#33; They&#39;re the shiznit&#33;
    2000 Chevrolet Silverado, 4.8L, K&N polished intake, 4.10 gears, 20x9 KMC SS on front, 22x10 on rear, Dual style pillar gauges, steel cowl hood, 2" rear drop shackles, true duals w/IMCO extreme mufflers w/dumps at rear end, SLP headers. Cam and nelson tune soon to come!!!!!

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