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N6 is in need of info about swapping a 4 speed tranny to a 5 speed

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  • N6 is in need of info about swapping a 4 speed tranny to a 5 speed

    Dear all seveners,

    I just got my caterham super seven from one of our members and it is a blast, very happy with the purchase, it is a cat 1998 se classic with 1600 crossflow super sprint. Only thing I want to know is if it is possible to put a 5 speed transmission, now it is fitted with a 4 speed on live axle, great for back road but high rpm on freeway and since I am planning to use it quite a lot it might be an issue. I live in the bay area next to google so the weather is on my side.

    Any input would be greatly appreciated.

    Bonjour chez vous, Etienne

  • #2
    5 from 4 into 7

    I have done just that, depends on chassis that you are starting with. Had to make new subframe to hold the rear trans mount.

    Call me 619-444-0840
    Wayne in SD

    Originally posted by uberfrog View Post
    Dear all seveners,

    I just got my caterham super seven from one of our members and it is a blast, very happy with the purchase, it is a cat 1998 se classic with 1600 crossflow super sprint. Only thing I want to know is if it is possible to put a 5 speed transmission, now it is fitted with a 4 speed on live axle, great for back road but high rpm on freeway and since I am planning to use it quite a lot it might be an issue. I live in the bay area next to google so the weather is on my side.

    Any input would be greatly appreciated.

    Bonjour chez vous, Etienne

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    • #3
      thank you

      Originally posted by super7guy View Post
      I have done just that, depends on chassis that you are starting with. Had to make new subframe to hold the rear trans mount.

      Call me 619-444-0840
      Wayne in SD
      Thank you for your answer. As for the chassis it is the standard size, not the wider version. I need to put the cat on a lift and takes some pictures so we know what we are talking about. Will call you this WE. Best etienne

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