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  1. #1
    Join Date
    Sep 2018
    Posts
    8

    Default Rr spring mount on chassis

    Does it matter how high the weight jack mount is on the chassis on the rr?

  2. #2
    Join Date
    Oct 2018
    Posts
    482

    Default

    Quote Originally Posted by Hammadown View Post
    Does it matter how high the weight jack mount is on the chassis on the rr?
    What matters is the height of the upper spring perch.

  3. #3

    Default

    So do you want the rr spring perch high or low in the chassis?

  4. #4
    Join Date
    Feb 2015
    Posts
    488

    Default

    Depends on if you're running under IMCA type rules that say rear springs are to be on top of the rear end. If not we like them low.

  5. #5
    Join Date
    Aug 2018
    Posts
    2,492

    Default

    Quote Originally Posted by RaceEngineer View Post
    What matters is the height of the upper spring perch.
    Anything besides getting ride height set correctly? Some software designers have said for years it affects weight transfer.

  6. #6
    Join Date
    Oct 2018
    Posts
    482

    Default

    Quote Originally Posted by ZERO25 View Post
    Anything besides getting ride height set correctly? Some software designers have said for years it affects weight transfer.
    Indeed it does.

  7. #7
    Join Date
    Sep 2018
    Posts
    8

    Default

    I run my rr on top, so if I went from say a 13 to an 11 inch spring it would transfer more or is it where the jack bolt is mounted on the frame that matters

  8. #8
    Join Date
    Jul 2007
    Posts
    3,135

    Default

    lr high rr low

    wt jack bolt doesnt matter as has already been said, the top spring cup height will matter and make a noticeable difference
    My ignore list... copy pasted. Which means if your on here I DONT see your posts.

    ALLDIRT a1driver a25rjr balljoint balljoint_ calverton carowner73 CIRF Clayton_Wetter decrate61 dirtdobber45 dirtman007 frontrunner gator 49 LITE--OUT Raceready

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