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  1. #1
    RC Enthusiast
    Join Date
    Jan 2012
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    43

    rpm arm and protrack kit versus traxxas cvd kit

    is it me or the cvd are to short for the rpm arm and pro track kit

    i thightened all the camber ajustement to make them not pop out all the time from the inside cup

    i want to know if someone have found a longer cut to fit them because i have way to much camber in the back

  2. #2
    RC Qualifier
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    Apr 2012
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    Ventura, Ca.
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    Have you tried the longer diff cup that Traxxas makes?
    Mini Revo VXL 7107
    E-Maxx 3903 - He Lives!

  3. #3
    RC Enthusiast
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    Jan 2012
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    43
    what is the part number

  4. #4
    RC Champion
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    Sep 2010
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    Chicago, IL
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    2,014
    You can put small springs in both ends of the shaft so that for the bone to fall out it has to compress a spring.

    Or are you mixing new and old speck parts? 3906 arms and shafts are shorter, so if you got the new spec arms and 3906 shafts, they would be like 1/2 inch short
    Doublethink: 2+2=4 while 2+2=0

  5. #5
    RC Qualifier
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    Apr 2012
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    Ventura, Ca.
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    Quote Originally Posted by speedup View Post
    what is the part number
    Traxxas extended inner drive cups PN: 5153
    Mini Revo VXL 7107
    E-Maxx 3903 - He Lives!

  6. #6
    RC Qualifier
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    Oct 2011
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    Quebec,Alma,Lac-St-Jean
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    252
    Quote Originally Posted by Little Smokey View Post
    Traxxas extended inner drive cups PN: 5153
    Yep!!!

    Salut Speedup!!!

    Juair!!!!!!!!!!!!!!!!!!
    -EMB (GPS 51.6mph)
    -Spartan (GPS 48.2mph)

  7. #7
    RC Enthusiast
    Join Date
    May 2013
    Location
    St. Louis MO
    Posts
    23
    The 5153 work like a charm. I installed them last night and BOOM no more problems on mine. thanks little smokey

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