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  1. #1
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    Harrop Engineering positive displacement Eaton TVS 1740 M3 s65 V8 Supercharger

    supremepower just posted a teaser pic on instagram. Anyone have any info?

    EDIT: "Hybrid Roots TVS Supercharger System" Sticky please change the title of the thread
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    look at there facebook this should be something cool

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    Click here to enlarge

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    @Sticky --- Here's what I imagine is the blower they're using (ITBs for the S65)

    Click here to enlarge
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  5. #5
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    WTF? You have to be $#@!ting me. Looking into this.

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    Click here to enlarge Originally Posted by benzy89 Click here to enlarge
    @Sticky --- Here's what I imagine is the blower they're using (ITBs for the S65)

    Click here to enlarge
    This manifold is for an LS2/LS3 motor it says.

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    Well guess I better get my ass to bimmerfest and take a look a this thing.

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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    Well guess I better get my ass to bimmerfest and take a look a this thing.
    Stop by Ventura Motorsports booth. I might be there!
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  9. #9
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    Verrry interesting. Been waiting for someone to come out with something out of the norm.
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    can anyone find ANY info on this?

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    Click here to enlarge Originally Posted by LostMarine Click here to enlarge
    can anyone find ANY info on this?
    Yep, just got back from talking to them and seeing the car at BimmerFest. Article coming up.

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    i heard its not complete yet.. and to think SOMEONE said it was impossible...

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    Click here to enlarge Originally Posted by LostMarine Click here to enlarge
    i heard its not complete yet.. and to think SOMEONE said it was impossible...
    Nobody said it was impossible people said it would be difficult and it sure is. I don't think you understand what even makes this work.

    Oh and my car owns the HP record officially now.

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    Wow. This would certainly be a game changer.

    In for more updates.

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    Wow.

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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    Nobody said it was impossible people said it would be difficult and it sure is. I don't think you understand what even makes this work.

    Oh and my car owns the HP record officially now.

    i understand completely. [atiently waiting for the article.

    as for point #2.. you need to show something Click here to enlarge

  17. #17
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    Click here to enlarge Originally Posted by LostMarine Click here to enlarge
    as for point #2.. you need to show something
    Oh do I have a dynograph and video for you. I'm so happy I don't even know what to say. The car is an f'ing beast and just getting warmed up.

    Click here to enlarge Originally Posted by LostMarine Click here to enlarge
    i understand completely. [atiently waiting for the article.
    I don't know if I will write it today. Writing my Bimmerfest article now.

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    Did they keep the itbs? I feel like with the tvs supercharger you no longer need them, or would switching to a large single throttle body really hamper performance enough to make it worth sticking to itbs?

  19. #19
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    Click here to enlarge Originally Posted by bdtsulev Click here to enlarge
    Did they keep the itbs?
    Yep!

    Click here to enlarge Originally Posted by bdtsulev Click here to enlarge
    I feel like with the tvs supercharger you no longer need them, or would switching to a large single throttle body really hamper performance enough to make it worth sticking to itbs?
    You probably don't need them but their solution is trick as the manifold fits in between them. The challenge is really the packaging. Well, then of course the tuning. This is very difficult stuff.

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    Cant wait to see this and Stickys car!
    Click here to enlarge

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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    You probably don't need them but their solution is trick as the manifold fits in between them. The challenge is really the packaging. Well, then of course the tuning. This is very difficult stuff.
    I see how packaging could be a huge pain, but it looks like they nailed it. I love how it looks so oem that you almost cant tell that its supercharged

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    Would the ITB manifold (not sure how to word that) have better throttle response? I always have an excuse for not supercharging my car, but LM and Sticky have both said that response goes down - I really need to drive one to see how much, but is that why they are doing this?

    Excuse my ignorance - I just don't understand this

  23. #23
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    Click here to enlarge Originally Posted by inlineS54B32 Click here to enlarge
    Would the ITB manifold (not sure how to word that) have better throttle response? I always have an excuse for not supercharging my car, but LM and Sticky have both said that response goes down - I really need to drive one to see how much, but is that why they are doing this?

    Excuse my ignorance - I just don't understand this
    in theory it would. throttle response doesnt globally go down. It did on my ESS kit, but not on AK's AA kit, its in the tuning. Keeping or eliminating the ITBs depends on the tuner attacking it. i think response can be maintained, just much more difficult with ITB vs going to single

  24. #24
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    Click here to enlarge Originally Posted by LostMarine Click here to enlarge
    in theory it would. throttle response doesnt globally go down. It did on my ESS kit, but not on AK's AA kit, its in the tuning. Keeping or eliminating the ITBs depends on the tuner attacking it. i think response can be maintained, just much more difficult with ITB vs going to single
    It does on the aa kit due to how it builds boost. No matter what a centrifugal needs power to spin. The aa kit looks good compared to ess with response though. Positive displacement blows them away though.

  25. #25
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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    It does on the aa kit due to how it builds boost. No matter what a centrifugal needs power to spin. The aa kit looks good compared to ess with response though. Positive displacement blows them away though.
    no it doesnt

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