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06-08-2010, 10:12 PM
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#1 |
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6.0 powered square
Join Date: Feb 2008
Location: Mesquite texas
Posts: 3,459
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rear end I.d help
the 12 bolt rear end in my truck is starting to leak from the pinion seal and howls once in a wile, since I will be installing a 5.3 with some goodies, so Ive decided to do a complete rear end rebuilt with new seal, races, bearing, 3.73 ring and pinion, and a posi traction but for a new ring a pinon its say's there two different carrier series but I have know idea, on the rear end say's 3898839 with a N under it and on the other side it says gm85
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Aaron 1980 c-10 short bed lowered, cammed 6.0, 4l80e 3600 stall, smp tune, wilwoods, and flames best time so far best et 7.86 @87 on motor 7.57 90 on a 75 shot Build http://67-72chevytrucks.com/vboard/s...d.php?t=283326 |
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06-08-2010, 11:05 PM
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#2 |
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Registered User
Join Date: Nov 2009
Location: Sherman, ME
Posts: 2,366
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Re: rear end I.d help
Hi Aaron,
Since you're adding Positraction, you'll be replacing the carrier. So it doesn't matter what's in there now. Just make sure you match up the new ring & pinion with the new Posi carrier. |
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06-09-2010, 09:45 PM
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#3 |
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6.0 powered square
Join Date: Feb 2008
Location: Mesquite texas
Posts: 3,459
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Re: rear end I.d help
thanks ray, now I just need to decide what brand to use for the gears and carrier
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Aaron 1980 c-10 short bed lowered, cammed 6.0, 4l80e 3600 stall, smp tune, wilwoods, and flames best time so far best et 7.86 @87 on motor 7.57 90 on a 75 shot Build http://67-72chevytrucks.com/vboard/s...d.php?t=283326 Last edited by flamingbig10; 06-09-2010 at 09:46 PM. |
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