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  1. #1

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    Diff fluids Just the basics

    I found this and thought it would be helpful for some people on changing out the diff fluids and what thick and thin does.

    Front
    Thinner :

    increases steering into corners (off-power)
    if oil is too thin the steering may become inconsistent, especially it can lose forward traction (and steering) during acceleration out of corners

    Thicker:

    increases stability into corners during braking
    increases steering on-power at corner exit
    .................................................. .......... ........................
    Center
    Thinner:

    front wheels unload more during acceleration
    decreases on-power steering (reduces oversteer)
    easier to drive on rough tracks
    if a high-power engine is used you could waste too much power and sometime β€œcook” the oil in the center diff erential because it β€œoverloads”

    Thicker:

    more all-wheel drive effect
    better acceleration
    increases on-power steering (reduces understeer)
    better suited on high-bite, smooth tracks
    car can be more nervous to drive especially if a high power engine is used - you might need to be smooth on the throttle

    .................................................. .......... .........................
    Rear
    Thinner:

    increases cornering traction
    increases steering into corner
    Thicker:

    decreases rear traction while cornering
    reduces wheelspin
    Cen truggy, Bigfoot 1/5th, Cen buggy, Mg16, Redcat Earthquake, Redcat Drifter

  2. #2
    giddyuperic's Avatar
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    RE: Diff fluids Just the basics

    That is one of the best post I have seen in a long time thank you. Eric
    F9, hunter hawker,F-22,yak55 30% DLE55,Extra260,300.sabre F86,bae hawk,Cessna 182. GoldWing extra300LM 30CC Velox20cc

  3. #3

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    RE: Diff fluids Just the basics

    thanks... I hope it helps.
    Cen truggy, Bigfoot 1/5th, Cen buggy, Mg16, Redcat Earthquake, Redcat Drifter

  4. #4
    giddyuperic's Avatar
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    RE: Diff fluids Just the basics

    I am sure it wil be a good ref for most people.
    F9, hunter hawker,F-22,yak55 30% DLE55,Extra260,300.sabre F86,bae hawk,Cessna 182. GoldWing extra300LM 30CC Velox20cc

  5. #5

    RE: Diff fluids Just the basics

    That's super informative, nice post.
    Dealer for..Redcat, Traxxas, Associated, Cen, Racers Edge, RD Logic, Losi, HPI, E-flight, Himoto, Venom, Heli-Max, O.S...etc

  6. #6
    bluecaka69's Avatar
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    RE: Diff fluids Just the basics

    keep up the good work
    Bodies By Blue-Airbrushes Bring Out The Artist In All Of Us!!
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  7. #7

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    RE: Diff fluids Just the basics

    ok i see the differences. thx very informative, now what would give the best all around for just a new basher? if my diffs have grease in them from factory what would be my best choice?
    mxt 2-s mega e mt10 viper

  8. #8
    {GBI}Harryball's Avatar
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    RE: Diff fluids Just the basics

    Nice, this should help lots of people. Thanks for the info.
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  9. #9

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    RE: Diff fluids Just the basics

    ranger.. what car do you have? There are different fluid set ups for different cars.
    Cen truggy, Bigfoot 1/5th, Cen buggy, Mg16, Redcat Earthquake, Redcat Drifter

  10. #10

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    RE: Diff fluids Just the basics

    i got the volcano sv
    mxt 2-s mega e mt10 viper

  11. #11

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    RE: Diff fluids Just the basics

    you need to use very thick fluid in those diffs, your better off using diff grease, not fluid.
    125 characters and 2 lines is not enough to list my RC obsession!!!

  12. #12

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    RE: Diff fluids Just the basics

    ok thx
    mxt 2-s mega e mt10 viper

  13. #13
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    RE: Diff fluids Just the basics

    Ok I'll be the idiot and ask the question....................... how do you change the fluids? and do they need to be changed if i have never changed them?
    lol
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  14. #14

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    RE: Diff fluids Just the basics

    lmao, you take the diff out of the diff housing, its the small circle with the small spyder gears inside of it, fill it will fluid or grease them up, and you dont really need to change it, it will give you better performance though
    125 characters and 2 lines is not enough to list my RC obsession!!!

  15. #15

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    RE: Diff fluids Just the basics

    Anyone know what/if the Monsoon (1/8 Truggy) comes with in the diffs from the factory? They dont come dry do them? Thanks for any info!
    Mick Nesevitch

  16. #16
    chevyderek72's Avatar
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    RE: Diff fluids Just the basics

    They shouldnt come dry, but its a mystery what weight it is. I never had a problem with stock fluid, but you could always replace it to get the desired effect you want.
    Redcat Racing - Dunerunner, Hurricane XP, Aftershock 8e, Volcano, Volcano epx, Vortex epx, Tremor 18e pro
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  17. #17

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    RE: Diff fluids Just the basics

    Thanks for the info Derek! Im just bashing for now, so I just wanted to be sure I wasnt gonna burn one up if they came dry.. I'm gonna pick up some differnt weight diff lubs eventually, but for now I'll prolly just leave it alone. Thanks again!
    Mick Nesevitch

  18. #18
    chevyderek72's Avatar
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    RE: Diff fluids Just the basics

    Hey no problem, ya if your bashing its not a big deal, but i fill my diffs just so the wheels dont spin free if they do.
    Redcat Racing - Dunerunner, Hurricane XP, Aftershock 8e, Volcano, Volcano epx, Vortex epx, Tremor 18e pro
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  19. #19

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    RE: Diff fluids Just the basics

    Since we're talking diff fluids, Ijust opened up the diff's on my Backdraft 8e and found the rear had very little grease (red in color)and the front had no visible signs of any lubricant. Is that something to be worried about?

    I've run the buggy through a couple charges on the battery so far. Iended up adding some valvoline general purpose grease to the front and rear gears while I was in there.

  20. #20
    chevyderek72's Avatar
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    RE: Diff fluids Just the basics

    Its best to put some silicone diff fluid in, grease will just keep it lubed and spinning freely. But silicone diff fluid will change the characteristics of how the car runs.
    Redcat Racing - Dunerunner, Hurricane XP, Aftershock 8e, Volcano, Volcano epx, Vortex epx, Tremor 18e pro
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  21. #21

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    RE: Diff fluids Just the basics

    ok so i got my slash 4x4 a couple months back and im ready to put in the diff but what should i do to take out a lot of the slip

  22. #22
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    RE: Diff fluids Just the basics

    Is it ok to run dry, as in w/o grease in the back?
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  23. #23

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    RE: Diff fluids Just the basics

    zanga254,

    I would recommend at least putting some grease in the diff to keep it lubed. Without some type of lubricant the gears are going to wear faster than normal.

    Thanks,
    Derek
    RedcatRacing

  24. #24
    formula87's Avatar
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    RE: Diff fluids Just the basics


    ORIGINAL: Redcat-Derek

    zanga254,

    I would recommend at least putting some grease in the diff to keep it lubed. Without some type of lubricant the gears are going to wear faster than normal.

    Thanks,
    Derek
    RedcatRacing

    I would like to know as well what comes in the diffs or what wieght comes in the diffs. I am starting to race my Backdraft 8E at my LHS track and would like some input on the diff oil.
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  25. #25

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    RE: Diff fluids Just the basics

    Hello formula87,

    The diffs should come filled with grease, so i would recommend putting some silicone diff fluid in them to tune per your preference.

    Thanks,
    Derek
    RedcatRacing


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