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Thread: s2000 rear aero, wing or spoiler

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    Senior Member robburgoon's Avatar
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    Default s2000 rear aero, wing or spoiler

    Think the OEM spoiler is enough to take care of the rear lift the s2000 has at speed?

    Hoping to fix the oversteer bias at 100mph, hoping to avoid getting a wing.

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    http://www.trackhq.com/Banners/yellowsitesponsor.gif emilio700's Avatar
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    AP1 or AP2?
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    But obviously I just dont get it. -fatbillybob

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    Senior Member robburgoon's Avatar
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    stock AP2

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    http://www.trackhq.com/Banners/yellowsitesponsor.gif Blackbird's Avatar
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    We have a model for the S2000





    At $280 it's easily the most effective aero piece anywhere near this price point.

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    http://www.trackhq.com/Banners/yellowsitesponsor.gif emilio700's Avatar
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    I never wanted to run a wing on my street AP1. I ran 255/40 front on 17x9, 275/40 rear on 17x10. Neuspeed 32mm tubular front sway bar, OEM 25.4mm rear. AP1 needed rear bump steer kit, AP2 doesn't.
    Add camber to suit your tire choice and driving habits. Anyway, mine was neutral below 100mph. Slightly free above that but wasn't trying to kill me like a stock AP1.

    The ducktail works though.
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    Senior Member bellwilliam's Avatar
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    Wait. I thought wing is stock on a S2K ?
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    Kam
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    Quote Originally Posted by bellwilliam View Post
    Wait. I thought wing is stock on a S2K ?
    There's a spoiler and a wing for the S2000, but neither are stock. They are all Honda accessories.
    The only standard trunk mounted aero piece is the CR's wing.


    Stock spoiler on the left.
    Stock wing on the right.



    Stock CR wing
    4.6lbs / whp -- 4lbs / bhp

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    Before i beacme an aero-tard i had solved this problem with rake, bar and shocks.

    255 square
    Eibach front bar on stiff (not that much stiffer than a CR front bar or a early AP1).
    16k front / 14k rear springs
    zero rake

    Car drove pretty close to a stock bodied car with a APR 200 wing and was well more capable than me as a driver.


    FWIW here is the thread with all my shock research and what ended up working for me pre-aero

    https://www.s2ki.com/forums/s2000-ra...pared-1083590/
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    Senior Member robburgoon's Avatar
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    Currently stock on Federals 255 rear and 225 front. Seems to be camber challenged in the front, but already so loose I don't want more front grip.

    Don't want to change sways or springs, or shocks. Just looking to make an aero change that isn't a wing. Not a huge fan of the looks of moti's, although I'm sure it's quite effective.

    Can either of the OEM options spoil the lift enough to balance the car?

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    http://www.trackhq.com/Banners/yellowsitesponsor.gif emilio700's Avatar
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    No.

    You need a big front sway bar.
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    Senior Member robburgoon's Avatar
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    Maybe I should rephrase... balance the aero so that it behaves at high speed like it does at low speed.

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    The CR wing is the only OEM aero that does anything. It will neutralize the lift but without the CR lip you will get a little push at speed.

    The other oem spoilers are all just for looks.

    Else, big front bar and tinker with rake will solve the problem.
    Last edited by anorexicpoodle; 11-28-2017 at 11:53 PM.

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    Quote Originally Posted by emilio700 View Post
    I never wanted to run a wing on my street AP1. I ran 255/40 front on 17x9, 275/40 rear on 17x10. Neuspeed 32mm tubular front sway bar, OEM 25.4mm rear. AP1 needed rear bump steer kit, AP2 doesn't.
    Add camber to suit your tire choice and driving habits. Anyway, mine was neutral below 100mph. Slightly free above that but wasn't trying to kill me like a stock AP1.

    The ducktail works though.
    Any recommendations on which bump steer kit? What would you have changed if you were to run a wing/ducktail?

    TIA

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    "Shoe"
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    Quote Originally Posted by robburgoon View Post
    Maybe I should rephrase... balance the aero so that it behaves at high speed like it does at low speed.
    No. Give up LS front grip for high speed stability with a big front bar. Or put a massive front tire on it and still not have the aero stability of a rear wing.
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    Senior Member robburgoon's Avatar
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    Quote Originally Posted by Stuntman View Post
    No. Give up LS front grip for high speed stability with a big front bar. Or put a massive front tire on it and still not have the aero stability of a rear wing.
    You're not making a whole lot of sense Billy. Are you trying to say spoilers wont be enough to make the car handle the same at high speed as it does at low speed? Putting bigger front tires on it will make it looser, not tighter.

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    "Shoe"
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    Question:
    Quote Originally Posted by robburgoon View Post
    Think the OEM spoiler is enough to take care of the rear lift the s2000 has at speed?

    Hoping to fix the oversteer bias at 100mph, hoping to avoid getting a wing.
    Quote Originally Posted by robburgoon View Post
    Maybe I should rephrase... balance the aero so that it behaves at high speed like it does at low speed.
    Answer: (agreeing with Emilio).
    Quote Originally Posted by Stuntman View Post
    No. Give up LS front grip for high speed stability with a big front bar. Or put a massive front tire on it and still not have the aero stability of a rear wing.

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    Senior Member JulioG's Avatar
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    Flat bottom + diffuser

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    Senior Member robburgoon's Avatar
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    Why are you suggesting a larger front tire to fix an aero loose issue?

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    "Shoe"
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    Quote Originally Posted by robburgoon View Post
    Why are you suggesting a larger front tire to fix an aero loose issue?
    I didn't. And that doesn't make sense.

  20. #20
    Senior Member robburgoon's Avatar
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    Quote Originally Posted by Stuntman View Post
    Or put a massive front tire on it and still not have the aero stability of a rear wing.
    Dunno Billy, sure looks like you're presenting that as one of two options to fixing high speed loose. You feeling ok?

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