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Thread: Inlet Manifold

  1. #1
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    Default Inlet Manifold

    New bespoke Inlet manifold / plenum now been fitted, tested & proven, complete setup made 945bhp / 738ftIbs -
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  2. #2

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    nice numbers!

    What else is done to the motor?

  3. #3
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    Pretty much everything, the old race engine built to the same spec was producing 760bhp / 643ftlbs on the stock plastic plenum so this was the last part.
    It's also down to everything else such as the IC, turbos, tb etc etc.

  4. #4
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    Very nice. So what is the basis for design? How did you come up with this? Are the end caps adjustable for different plenum volumes? Nice to see the slicks by the way

  5. #5
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    It was designed to improve mid range power, the plenum tanks in the pics are pre final production version which is made up of spacers to find the optimum performance, new one piece ones will be made.
    Last edited by GTO3KJ; 06-10-2018 at 12:20 PM.

  6. #6

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    Quote Originally Posted by GTO3KJ View Post
    Pretty much everything, the old race engine built to the same spec was producing 760bhp / 643ftlbs on the stock plastic plenum so this was the last part.
    It's also down to everything else such as the IC, turbos, tb etc etc.
    That's amazing! Nice numbers and that plenum is a work of art.

  7. #7
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    I agree it looks great and sounds like it really improves performance - where do I get one?

  8. #8
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    If your interested in one then contact me direct on kjrsosi@gmail.com

  9. #9

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    Looks great, what are you doing for a transmission?
    It seems like that power would destroy the stock trans.
    2006 M400

  10. #10
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    Holinger sequential with paddle shift
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    Last edited by GTO3KJ; 07-12-2018 at 04:10 PM.

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