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  1. #1
    RC Racer
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    Jan 2013
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    Goshen, KY
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    Rebuilding my diff.

    Is the diff oil the same as shock oil? I think if the weight is correct, it will be the same.

  2. #2
    RC Turnbuckle Jr. noir 522's Avatar
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    Sep 2009
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    3,045
    Yes they are both generally made from liquid silicone of differing weights.
    MAN, Use Common Sense
    Funky Gecko, SumVee HDE

  3. #3
    RC Qualifier
    Join Date
    Apr 2012
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    Mount Airy, aka "Mayberry" North Carolina
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    Noir is correct, FYI the stock diff oil wt is 100k. Quite a bit thicker than shock oil, hope this is helpful
    The Kid

    14.4 Dewalt & Misc. el-cheapo mods

  4. #4
    RC Turnbuckle Jr. Jimmie Neutron's Avatar
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    Oct 2009
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    Same material, WAY different viscosity.
    Whatever it is I just said... I could be wrong.

  5. #5
    RC Racer
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    What weight do you guys use? This was a lot of help. The LHS's around here are not very good at all.

  6. #6
    RC Turnbuckle Jr. Jimmie Neutron's Avatar
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    Stock weight is 100K. Next step up (keeping it Traxxas) would be 500K.
    I stuck with 100K.
    Whatever it is I just said... I could be wrong.

  7. #7
    RC Racer
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    Thanks Jimmie!

  8. #8
    jonesdallas
    Guest
    I dont even know how you would get the 500k out of the bottle... LoL

    The 100k BARLEY comes out with the maximum pressure I can apply on the bottle. I even reamed out the insdie of the nozzle a lil and it didnt help much. The 100k diff oil is reallly sticky/tacky. the 500 must be pure super glue. Haha.

  9. #9
    RC Racer
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    Feb 2011
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    Manassas, VA
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    I use the 500k in the center diff on my Slash. I had to use a popsicle stick to scoop it out of the bottle. DO NOT GET IT ON YOUR HANDS. Or anything else for that matter. Anyway, I don't think it's necessary for the Summit unless you run high speed and don't use the 4 wheel lock. For the Slash, it gives it the impression and traction of a 4 wheel lock with enough slip to keep the front wheels on the ground. Awesome for bashing in grass.
    Kersh Summit-LCG Slash-Slash 4x4-Merv-Rally-Wraith

  10. #10
    RC Racer
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    Jan 2013
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    Goshen, KY
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    Ok guys, I did my first diff rebuild and used 100k lube. After putting the diff back together, should the wheel axel shafts be difficult to turn in opposite directions by hand? I have not installed back in the truck yet.

  11. #11
    RC Turnbuckle Jr. Jimmie Neutron's Avatar
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    Oct 2009
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    With 100K, yes.
    Whatever it is I just said... I could be wrong.

  12. #12
    RC Racer
    Join Date
    Jan 2013
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    Goshen, KY
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    Thanks Jimmie!

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