Suspension Brakes 1st Gen Most liked posts in thread: Succeed where everyone/thing has failed...

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  1. Rooster

    Rooster New Member

    May 22, 2009
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    #22 Rooster, May 22, 2009
    I just wanted to say that this thread rocks!!!
    :smilewinkgrin:
    Hopefully a great example of things to come over here at MA!
     
  2. UKCoopeR

    UKCoopeR Active Member

    May 21, 2009
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    #23 UKCoopeR, May 22, 2009
    I agree
    I <3 threads were you can actually learn things because people use numbers and equations (can you tell i am an engineer? lol)

    anyway don't let this thread die! i want to do a bit more research and learning so I can make the best call for me!
     
  3. cct1

    cct1 Well-Known Member
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    May 5, 2009
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    #24 cct1, May 22, 2009
    Yeah, but all this information without hidden agendas and constant baiting and flaming is going to take some getting used to....:D
     
  4. Bimmer Lite

    Bimmer Lite New Member

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    #25 Bimmer Lite, May 22, 2009
    It does rock - Ryephile - while the above information is totally above my head, I actually think I understand it. Thanks a lot for taking the time to write it all out.

    I called Jeff and shot Dr.Mike another PM to get some more insight. I decided on 7kg (around 400) front and 8kg (around 450) rear. I think this will give me the feel I like (some rotation) and not be surprisingly tail-happy with the 19mm on soft to start. But I guess it's all theory until I get it out there:cornut:.

    - Marc
     
  5. Steve

    Steve Administrator
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    Apr 23, 2009
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    #26 Steve, May 22, 2009
    Marc - the good news is you're already zeroing in on your target before even turning a wrench :Thumbsup: , plus if you find the result doesn't quite fit your driving style/preference replacing a single pair of springs is usually both relatively simple and relatively cheap. And the silver lining if you find you need to make a change is that as soon as you make one spring pair replacement you've started to build your collection of springs on the shelf you can use for swaps if you want to fit the setup to a particular track, etc.
     
  6. Mike

    Mike New Member

    May 4, 2009
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    #27 Mike, May 22, 2009

    Yep, it all makes sense, no arguments here. I would point out for other folks that the body roll is coupled to the spring rates as well as to the anti-roll bar rates for any street car, and the amount of coupling is of course dependent on the roll centers, the CG location, and the suspension geometry. So, stiffer springs also lead to less roll, all else being equal (though of course the anti-roll bar is a much bigger knob to turn).

    What we have here is a difference in preference. I prefer stiffer body springs, and you prefer stiffer anti-rollbars. Both approaches can be made to work fabulously. This type of thing is what makes car setup so fascinating to me!
     
  7. Bimmer Lite

    Bimmer Lite New Member

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    #28 Bimmer Lite, May 25, 2009
    Yep - good points. In 1-2 years I'll be tracking the car much more regularly, and I'll have a much better handle on what will work best for my driving style. Thanks to the people on here for explaining the repercussions of particular setups.

    - Marc


     
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