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  1. #1
    srpawski
    Guest

    Aluminum Differential Cup And Aluminum Housing

    Which is a better cup, the Hot Racing Cup RVO11X06 or the ST Racing Concepts Cup ST5381B? Thinking of mating these with ST Racing Concepts aluminum differential housing ST5380B.

  2. #2
    RC Qualifier
    Join Date
    Dec 2013
    Location
    Norway
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    349
    I would use the money on doing the losi lst diff mod instead...
    Slash 4x4 / Erbe / Custum Erbe / Bandit VXL

  3. #3
    RC Enthusiast
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    Feb 2015
    Location
    Iowa
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    23
    Just use your money towards diff upgrades the aluminum will end up breaking your bulk head a lot easier. It'll add weight which if your a basher it doesn't really matter. But the aluminum will probably start breaking your other plastics.

  4. #4
    RC Qualifier
    Join Date
    Jun 2014
    Location
    Victoria, Australia
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    299
    Best cup is the lem cup

  5. #5
    RC Enthusiast
    Join Date
    Nov 2014
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    45
    Quote Originally Posted by KeatonParker View Post
    Just use your money towards diff upgrades the aluminum will end up breaking your bulk head a lot easier. It'll add weight which if your a basher it doesn't really matter. But the aluminum will probably start breaking your other plastics.
    Not sure this is entirely true (except for the weight thing). I'm certainly no expert but I don't see how aluminum is a bad option for a diff cup and or housing. I think aluminum would have much less flex and actually benefits in this setting. IMHO.

  6. #6
    RC Qualifier
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    Jun 2014
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    Victoria, Australia
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    299
    A plastic case and cup weights 342 grams per diff alloy weights in at 644 grams, 302 grams pre diff more not much I say

  7. #7
    srpawski
    Guest
    Thats kind of what I was thinking. Aluminum is light weight. Its not like we are talking about two chunks of steel.

  8. #8
    RC Qualifier
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    Jun 2014
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    Victoria, Australia
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    299
    exactly aluminum all the way mate

  9. #9
    RC Qualifier
    Join Date
    Jan 2014
    Posts
    775
    For the drivetrain, you want no flex

  10. #10
    srpawski
    Guest
    I got HR cups and am waiting on housings.

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