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  1. #1
    RC Racer
    Join Date
    Apr 2015
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    244

    Grease Zirk on diffs

    Has anyone ever put a grease Zirk on to the diff case so you don't have to remove the dif from the car to repack after wet running? It would cut down on my work load alot after wet running.

  2. #2
    RC Racer
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    Apr 2015
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    I use marine wheel bearing grease our of my grease gun already so if I could just refill them each time it would save me a lot of time.

  3. #3
    RC Champion
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    Feb 2013
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    1,128
    But what happens to the old grease? Can't just keep shooting grease without removing the old grease.
    I have an RC problem...

  4. #4
    RC Racer
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    Apr 2015
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    Most of the old grease gets pushed out when driving or dissolved in water when it's ran or seeps out over time

  5. #5
    RC Champion Redsawacs's Avatar
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    Jan 2012
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    Oklahoma City, OK
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    2,686
    So, you just want to fill the entire diff case with grease? I suppose that would be beneficial if you want to keep all the water out and rotating resistance isn't your concern.
    "RED"

  6. #6
    RC Qualifier MaXXL's Avatar
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    Nov 2015
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    South Florida
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    I'm not sure what your trying to grease exactly. Packing the diff case with anything wouldn't be advisable. You could pack the diff itself with grease but I think it would be impossible to fit a zerk fitting.
    Brushless Everything

  7. #7
    RC Racer
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    Apr 2015
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    I pack the inside of the case and usually it prevents water from getting in and also reoils/grease the bearing it touchs
    Last edited by woodsy18; 03-28-2016 at 08:13 AM.

  8. #8
    RC Racer
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    Apr 2015
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    Tinley Park, IL
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    Don't think there is enough room to mount a zerk fitting.

    Actually I don't run my Maxx as hard as a lot of ya'll and the diffs have never given me a problem. I rarely even open them and if I do I just wipe out the old grease and put a finger full of grease on the gears and slap em back together.

  9. #9
    RC Racer
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    Your Maxx sounds like my revo never seen water or anything. But my Maxx is the all around mud and water car and diffs always have water and other crap in them after going out.

  10. #10
    RC Racer
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    Jun 2003
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    CONUS
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    174
    I don't see why you couldn't drill and tap a fitting. My only worry would be the pressure of pushing grease into a closed area, it might just force some of the old out the sides. Try it and report back!
    E-Maxx 150A and 2100kv 4-pole

  11. #11
    RC Racer
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    Apr 2015
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    244
    Have been looking at putting one on but there's no really good spot to put it on with out it hitting something on the ring gear

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