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  1. #1
    Sr. Apprentice
    Join Date
    Sep 2008
    Location
    Quad Cities USA
    Posts
    43

    Default What front differential in 06' 1/2 ton?

    I just won an aution on ebay where I bought a set of 4.10 gears for my 2005 1500 4x4. The description said they were from a 2006 1500 4x4, but described the front diff. as a 10.25" instead of the 8.25" that I believe is in the 06' 1500's. Do you think the guy was just confused or am I wrong in thinking the 06 had the 8.25? I already bought it so there is not much I can do about it, but I got the pair (30,000 Miles) for $150, which I thought was a steal. Thoughts?
    2005 Silverado 1500 LS Z71. Extended Cab Shortbed. L33 5.3, 4.10.

    Coming Upgrades:
    Volant CAI
    Magnaflow 3" Single Cat-Back
    Superchips Cortex

  2. #2

    Default

    The NBS 1500s have the GM 8.25 IFS. That includes 2006. I just had my gears replaced so I know that you have the 8.25 AND the guy was probably mistake if it was indeed from a 1500.
    2005 Chevy Silverado Z71 in Black

    6" BDS Suspension Lift | 3" BDS Body Lift |17" Rock Crawler Stellies | 35" Cooper STTs | 4.56 Yukon Gears | AirAid CAI and TBS | Flowmaster 40s | HyperPAC Programmer


    2001 TJ Sahara in Sienna

    3.5" RE Suspension Lift | 33x12.50 Baja MTZs | D30/44 | ROKMEN Merc Front Bumper | Warn Rockcrawler Rear w/ Carrier | Warn M8000 Winch



  3. #3

    Default

    1500's had the 8.25 IFS, so I'd say he was either confused about the diff, or he was confused about the 1500 part.
    '98 K1500 Suburban LS 5.7 L 4L60E NV246 ARB
    '92 Ford Explorer XLT 4x4 4.0 L A4LD BW13-54 Trac-loc rear
    "My toys were the greasy cogs and springs and pistons that lay around all over the place, and these, I can promise you, were far more fun to play with than most of the plastic rubbish children are given nowadays." Danny in Roald Dahl's Danny The Champion of the World

  4. #4

    Default

    He could have jumbled up the 10 bolt rear and the 8.25 making it into the all elusive 10.25 IFS...LOL

  5. #5
    Sr. Apprentice
    Join Date
    Sep 2008
    Location
    Quad Cities USA
    Posts
    43

    Default

    Thanks for the replys. I was pretty sure I was right. The 4.10's should really help my 4.8 out quite a bit. Now I've got to find a good locker, my truck has no G80.

  6. #6

    Default

    eaton's detroit tru-trac systems are nice mechanial posi style and not pricy as a full posi like i have in mine

  7. #7

    Default

    x2 on the Tru Trac!

    Gonna put one of those in my Jeeps front axle and a selectable OX in the rear! WewT!

  8. #8
    Jr. Apprentice
    Join Date
    May 2009
    Location
    El Dorado Arkansas
    Posts
    10

    Default

    yeah man its an 8 and a quarter I.F.S. for sure and for the rear a 8.5 or an 8.6 ring and pinion set but make sure that you get the 8.6 install kit because an 8.5 install kit wont work.

  9. #9

    Default

    for a good locker, i would recommend the ECTED diff. by Auburn Gear. I don't have any experience with it, but am thinking of getting one. Once it is installed, it is full-time limited slip, and then you just flip a switch (while driving at any speed) and it sets it into fully locked mode. I don't know about price though. hope this helps.

    2008 FORD F350. My new all-around truck.
    2001 Silverado Reg. Cab Not-So-Base -- SOLD
    2003 Avalanche Z71. No Cladding. Check out my Mod thread. - Crashed. Will be rebuilt soon.
    1974 Triumph Spitfire 1500 - Work in Progress
    2003 Sierra 3500 Duramax. The Newer, Better Work Truck -- FOR SALE


  10. #10

    Default

    If he miss-represented the gears you may want to contest it through PayPal. Also I know it's a little late but I hope you are buying new gears and not used ones. Never, never buy a used ring and pinion. It will cause nothing but grief and it will always be noisy.
    Jim

    2004 SILVERADO 2500HD LS
    Pro Comp Leveling Kit
    285-75-16 Cooper ST All Terrains
    Pro Comp Programmer
    Bilstein Shocks
    Linux Bed Liner
    Tinted Windows



    Other rides:

    1967 Landcruiser <350 Chevy>
    1970 Camaro
    1990 Geo Metro Convertible
    2007 FJ Cruiser

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