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Thread: early 300xxx heat exchangers

  1. #1
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    early 300xxx heat exchangers

    just to let you know there is a 10K euro reproduction out there limited run , not from me or DANSK so relax
    but let me know if you are interested 2-3 sets left

    M
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  2. #2
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    So what car would those be appropriate for?
    Bob B

  3. #3
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    early 901 / 911 hmm I belive up to chassi number 700 ish but not sure

    Marek

  4. #4
    Quote Originally Posted by Marek View Post
    early 901 / 911 hmm I belive up to chassi number 700 ish but not sure

    Marek
    I think much further. If I recall correct can the answer be found on this board in factory documentation. At least all Solex engines had them?

    Btw are these different (but similar price) than what Freisinger sells?

    Richard
    searching for engine (case) 903742

  5. #5
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    I think change was later too - possibly mid-1966 when a more efficient design was installed. Would be interested to see date of change confirmed in eg factory documentation as suggested

  6. #6
    Quote Originally Posted by one-two View Post
    I think change was later too - possibly mid-1966 when a more efficient design was installed. Would be interested to see date of change confirmed in eg factory documentation as suggested
    See this thread. All the way till the end of 66

    https://www.early911sregistry.org/fo...t-system/page5

    Richard
    searching for engine (case) 903742

  7. #7
    Arent these available for 6K from Freisinger?

  8. #8
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    Quote Originally Posted by 718RSK View Post
    Arent these available for 6K from Freisinger?
    they where once price went up since low stock I assume just got 2, inflation baby :-)

  9. #9
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    Quote Originally Posted by preS View Post
    See this thread. All the way till the end of 66

    https://www.early911sregistry.org/fo...t-system/page5

    Richard
    So my understanding - which may be incomplete - was that the new manifolds/exchangers were fitted to new cars from mid-1966/the start of model year 1967. There was also a replacement/recall programme for existing cars that started about the same time and looks to have run into calendar 1967. Does that sound about right? Thanks, Robert

  10. #10
    Quote Originally Posted by one-two View Post
    So my understanding... was that the new manifolds/exchangers were fitted to new cars from mid-1966/the start of model year 1967.
    Robert, yes, the "new manifolds/exchangers" were developed for the '67 model 2000S (911S) engine, and introduced with that model.
    The same exhaust system, but with restricted outlets, was installed on '67 model 2000 901/05 engines until the 901/06 engine was introduced, in Nov '66.

    Jon B.
    Vista, CA

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