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  1. #1
    Join Date
    Nov 2012
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    Wisconsin
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    Default I could call Tader but...

    OK... I have updated the front on my Smackdown... flat x-member, raised right rail, raised crossmember. I have Smackdown and S-7 spindles.

    What length lower control arms do I need. I have a 19" rightside PPM...use an 18-ish left side?

    Let me know...
    Member of the Luxemburg Speedway Hall of Fame
    Class of 2019

  2. #2
    Join Date
    Jul 2013
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    Lost, but way ahead of schedule
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    Default

    I believe it calls for a 16 5/8" lower, with a 10 1/2" upper.

  3. #3
    Join Date
    Nov 2012
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    Default

    Just wondering how a 19" will work with the 16"+. MBR might be able to chime in...
    Member of the Luxemburg Speedway Hall of Fame
    Class of 2019

  4. #4
    Join Date
    May 2007
    Location
    Batavia, OH
    Posts
    12,147

    Default

    Quote Originally Posted by Krooser View Post
    Just wondering how a 19" will work with the 16"+. MBR might be able to chime in...
    Krooser, I've run 19 5/8 and 20" with the S7 on rf. I used a 17 5/8 lf
    Droop isn't the problem.

  5. #5
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    Nov 2012
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    Wisconsin
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    Default

    Thanks to all... I think I have a 17+ in stock.
    Member of the Luxemburg Speedway Hall of Fame
    Class of 2019

  6. #6
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    Jul 2013
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    Default

    Does your LF upper still mount to the inside of the uprights (whatever they're called), or did you update those to the curved style? Just thinking out loud...wondering how you'll keep positive camber in it with a longer lower.

  7. #7
    Join Date
    Nov 2012
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    Wisconsin
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    Default

    Uprights are still stock early Smackdown. I don't have a lf upper yet...was figuring on using an 11"... not sure about it. I have 8 1/2" rf uppers.
    Member of the Luxemburg Speedway Hall of Fame
    Class of 2019

  8. #8
    Join Date
    May 2007
    Location
    Batavia, OH
    Posts
    12,147

    Default

    Jet bring up a good point, if you have to mount inside, then your upper arm has to get longer. Rf is easier, just space out.
    Droop isn't the problem.

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