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Thread: which throttle bodies were used on the 2.5ST?

  1. #1

    which throttle bodies were used on the 2.5ST?

    I would like to get some more information re. the fuel system that was used on the 2.5ST.

    Which pump was used?
    Which throttle bodies/ stacks?

    Thanks for your input.

    Richard

  2. #2
    I believe that Matt Blast at Eurometrix has compiled this information. You might contact him directly or PM him through the board and direct him to this thread.
    -Marco
    SReg. #778 OGrp: #8 RGrp: #---
    TLG Auto: Website
    Searching for engine #907495 and gearbox 902/1 #229687

  3. #3
    Marco is correct, Matt has/had a set and cataloged the differences. They are a high butterfly setup that was smaller than the RSR high butterfly...41mm IIRC. Don't know about the pump, but likely the same as the 911R although the vintage would possibly suggest a 001 Bosch pump, as well, perhaps with an RSR type space cam.

    Matt has them on his site:
    http://www.eurometrix.ws/babyhighbutterflies.htm
    Kenik
    - 1969 911S
    - 1965/66 911
    - S Reg #760
    - RGruppe #389

  4. #4
    thanks

    Richard

  5. #5
    Hi,

    Incase you decide to stay with a standard set up it is possible to machine the TB and stacks to suit.

    Here is some we did for a customer recently: TB machined to 42mm,





    and the metal stacks (not yet detailed in the pics) from 52 to 42mm







    HTH

    Alan

  6. #6
    Quote Originally Posted by Alan.uk View Post
    Hi,

    Incase you decide to stay with a standard set up it is possible to machine the TB and stacks to suit.

    Here is some we did for a customer recently: TB machined to 42mm,





    and the metal stacks (not yet detailed in the pics) from 52 to 42mm







    HTH

    Alan
    Alan

    Are you also offering it outright? If so how much?

    Regards

    Richard

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