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  • 3.08 Open?

    I have a 98 Bird with the W68 package and inside the drivers door I have GU4 which i believe means I have 3.08 gears with an open rear.
    Can I put posi or something in the rear so I cna get both tires to spin? and wouldnt that give a better luanch if the tires werent to spin also?
    I just would like the leave 2 black marks when doing club burn outs
    ehehehehe
    <a href=\"http://www.cardomain.com/id/1998firebird\" target=\"_blank\">Red 1998 Firebird</a>

  • #2
    You can upgrade to limited slip differential. Like posi, but better. Your gonna need a series 3 carrier, so upgrade your gears too. A popular choice for us automatics are 3.42. You can get the zexel torsen diff. from slponline.com for around a hundred bucks. To get a lot more info, do searches on LSD, 3.42, 3.23, (3.73 don't get these unless you're not planning on driving on the highway). Also, go to the modifications encyclopedia and read up on gears and differentials. That's where I started. We have an excellent mods ency. :D
    <b>1998 Firebird 3800 Series II, A4</b><br />Direct-Flo Lid,K&N Filter,DEE TB Spacer,TPS-TEC,ZZP Mini-AFC,Raised and Cutout Airbox 7mm,BMR STB & Boxed LCAs,KYB AGX Shocks,Drilled/Slotted Rotors,180* Thermo,2.5\" Catco Cat,Dynomax 2.75\" custom catback,Kumho Ecstas/245,Jet Stage 2,3.42,Edge Racing 2870 Stall,B&M Tranny Cooler,B&M Deep Tranny Pan,LSD,AAM Girdle,1LE DS,NX Wet Kit,MSD DIS-4,MSD Blaster Coil Packs,Taylor Spiro Pro 8mm Wires,NGK TR6\'S gapped .045,ZZP UD WP Pulley,SLP Fan Switch,TT II\'s<br />N/A: 15.6342 @ 88.44 (On stock converter. Strugglin\' to beat it.)<br />Nitrous 50 Shot: 14.7463 @ 93.49

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    • #3
      I have 3:08 open rear and I have floored it and it doesent spin them, I see no need for one, the only time it really gets spining is if I accelerate around a turn. I manely wanted the Y87 for the LSD because of driving on snow and geting better traction.
      ~chris~ 98 Cayenne red Camaro 3800 A4, 3:08, T tops Borla cat-back, wisper lid K&N, Bilstine shocks, Dunlops all around. <br />AOL IM: chevyboyz24

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      • #4
        chris even though you dont spin your tires...with an LSD you will transfer power to the ground more efficiently. [img]graemlins/burnout.gif[/img]
        <b>.::[ 0 ]::.</b><br /><b>1997 Camaro 3800 II M5</b> (30th edition)<br />[]B&M Ripper Shifter<br />[]Proform Shift Light<br />[]SLP Cold Air<br />[]Dynomax Exhaust<br />[]Richmond 3.73\'s<br />[]Zexel-Torsen LSD<br />[]180* Thermostat<br />[]Tail Blackouts<br /><a href=\"http://photos.yahoo.com/skyracer_x\" target=\"_blank\">pics</a>

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