I seriously doubt there's any way you'd notice chassis flexing in a 9-5 with street tires!!! I'm sure it's far stiffer than my 9k Aero, which is a fairly stiff chassis already. Some of the changes people are talking about, like stiffer rear bars, and reversing the tire pressures so rears are higher than fronts, would work great for low speed autocrosses, where you're trying to convince a nose-heavy FWD car to rotate. This can become very exciting at higher speeds (read as scary, causing you to get an up-close look at the scenery if you're not ready for it). For higher speeds you want a more neutral car so it doesn't swap ends on you without warning-understeer (push) is much safer for most people to deal with.
If you think the rear end feels "light" now, I interpret that as being oversteer, which a stiffer rear bar alone will exacerbate. For street use I'd say upgrade both front and rear bars together, or go with a better set of shocks and/or springs.
Also, I can't remember if you mentioned what kind of tires and what pressures you're running earlier in the thread, but that's also something to consider. If you're using crappy tires or low pressure it will be like wallowing around on gumballs, and you may just be noticing the soft sidewalls of the tires as you lean on them.
Adding a spoiler will probably have no noticable effect on downforce at speeds under 100 or so, just my guess.


posted by 24.154.21...

• Rear wing/spoiler, Cryptical, Sun, 7 Dec 2003 22:28:29
  • Slightly OT, reminds me of a story..., Eric Law, Mon, 8 Dec 2003 10:37:50
    • Re: Slightly OT, reminds me of a story..., Nick Taliaferro , Mon, 8 Dec 2003 11:36:20
  • Forgive me, but why do you need downforce >, Bill Davies, Mon, 8 Dec 2003 00:22:30
    • stability at high speed?, davenew, Mon, 8 Dec 2003 08:52:46
      • Re: stability at high speed?, Cryptical, Mon, 8 Dec 2003 09:07:56
        • Here It Is, Ian Glenday , Mon, 8 Dec 2003 09:28:03
          • That's more like it - just like on my CSE (n/m), Bill Davies, Mon, 8 Dec 2003 11:06:09
          • Re: Here It Is, Cryptical, Mon, 8 Dec 2003 09:30:49
    • Re: Forgive me, but why do you need downforce >, Cryptical, Mon, 8 Dec 2003 08:04:07
      • Also, try a beefier rear sway bar at the very least...., George, Mon, 8 Dec 2003 10:34:39
        • A beefier rear sway bar would do the opposite of, AdamB , Tue, 9 Dec 2003 09:30:53
          • Increasing oversteer...., George, Tue, 9 Dec 2003 15:25:19
            • Re: Increasing oversteer...., Cryptical, Tue, 9 Dec 2003 19:28:15
              • Re: Increasing oversteer...., George, Tue, 9 Dec 2003 23:52:57
                • Re: Increasing oversteer...., AndyJ, Wed, 10 Dec 2003 02:22:06 <-- Viewing This Message
        • Re: Also, try a beefier rear sway bar at the very least...., Cryptical, Mon, 8 Dec 2003 10:43:46
          • Re: Also, try a beefier rear sway bar at the very least...., George, Mon, 8 Dec 2003 15:44:21
          • Re: Also, try a beefier rear sway bar at the very least...., lms, Mon, 8 Dec 2003 14:02:56
            • oops, i meant rear window.n\m, lms, Mon, 8 Dec 2003 14:04:59
  • Re: Rear wing/spoiler, Cryptical, Sun, 7 Dec 2003 22:32:43

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