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  1. #11


    What kind would be the best to run in my diff.. and i'm not sure which weight and everything to get also? I will also pick up a bottle of parts cleaner to clean the inside before i add new fluid.

    2008 Chevy Silverado Ext. Cab Lt Z71 5.3 V8
    7.5 Inch Rough Country Suspension Lift
    RBP Replica Grille Black w Chrome Rivets
    Recon Smoked Cab Roof Lights
    N-Fab Powdercoated Gloss black Cab Length Nerf Steps
    5% Tint over 20% all the way around / 5% Eyebrow Strip
    AVS Smoked Window Visors
    Z71 Stickers Black & Metallic Silver
    Tow Mirrors / Smoked Turn Signals
    XM Satellite Radio Fin / Color Matched
    Interior Plastic Pieces / Color Matched
    Power Acoustic Tweeters
    Painted Bowties / Color Matched
    Painted Door Handles / Color Matched
    Smittybilt Bull Bar / Color Matched
    Custom Rolled Edge Exhaust Tips / Color Matched
    Custom 2.5 Inch Cat Back True Dual Exhaust
    Flowmaster Super 40 Series Dual in / Dual out
    Magnaflow Tru-X Pipe
    K&N Air Filter
    18x9 Rockstars Machined Black
    Center Caps / Color Matched
    33.13.50 Nitto Terra Grapplers
    New Front Wheel Well Liners
    Eagle Eye Black L.E.D. Tailights
    Eagle Eye Black L.E.D. Third Brake Light / Smoked
    Eagle Eye Black L.E.D. Halo Projector Headlights
    Notto HID Kit 10,000k Low beams
    Recon L.E.D. Light Bar
    Buschwacker OE Style Tailgate Cap
    AMI Gloss Black Antenna
    Debadged Chrome Lettering
    Door Molding Removed

  2. #12


    Quote Originally Posted by Rockstarrchevy81 View Post
    What kind would be the best to run in my diff.. and i'm not sure which weight and everything to get also? I will also pick up a bottle of parts cleaner to clean the inside before i add new fluid.
    Your owners manual should have the proper weight you should use. I got the oil and gasket from Autozone for my wifes truck....I am guessing they should have it all for ours too.

    I have had good luck with Valvoline products however I have heard good things about Lucas.

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  3. #13


    Alright man i appreciate it.

  4. #14


    I agree with sstoner911, I also have had good luck with Valvoline in my rear diff.
    Nick- Kansas
    1994 Camaro (3.4L)
    1999 Silverado Z71 (5.3L)

  5. #15


    Alright thanks i'm going to get around to this pretty soon!

  6. #16


    Hey Rockstarr while you have the rear diff cover off you could replace it with a Maghytech (I think that is how it is spelled) cover. Just a suggestion. When I get around to changing my diff oil I am going to throw one on. Supposed to keep the oil temp down in the pumpkin.

  7. #17


    The Maghytech is a great rear cover, but I would recommend the T/A Performance cover. It is thicker and has two adjusting screws that you screw up against the bearing caps, these two items help stiffen and support the rear end which is good for trucks with bigger, heavier tires. I have one on my truck and will try to post a picture.

    2005 Chevy Silverado Z71 Crew Cab
    6" Skyjacker lift w/Edlebrock dual front remote resoviour shocks, single rear remote. Rancho skid-plate.
    17" x 9" M/T Classic Lock Wheels, 35" BFG A/T or M/T tires
    4.10 PercisionGears w/factory locker, T/A Performance rear-end cover
    Banks CAI intake, ported throttlebody, JBA coated headers, over-sized Magnaflow cats, Magnaflow cat back exhaust, Diablo tuned
    B&M aluminum deep transmission pan
    Warn brush guard w/Warn 9.5 XP winch, PIAA bulbs, Line-X bedliner, AWS Black tool chest, Extang tonneau cover
    Weather Tech floor mats
    Cover-Craft seat covers
    Dash mat cover
    Formula One window tint
    One black Lab in rear seat.

  8. #18


    I just looked them up. STB those things are nice looking and the added benefit of giving bearing support you have changed my mind.

  9. #19


    The only bad thing I found with them (I've had 4 of them) is they all seem to weep fluid from the adjusting screws. I don't know if this is from using synthetic fluids or not. Its not enough to leave any drips on a driveway and doesn't require any fluid added between changes ( I change mine every 25,000 miles) but it just annoying and looks dirty on the cover. I just clean my cover every few months with brake clean and it looks good again.

  10. #20


    Yeah man i will look into it and online. I know i've seen one that is like a machined black that i like just forgot what kind it was!

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