Quote:
Originally Posted by CAL_F30-M
Thanks a lot for your reply! what i am looking for is something for the street for my daily driving. something thats not too bumpy and gives me better handeling than the OEM suspension. I usually dont drive hardcore. but sometime when i feel it, i will drive hard just to enjoy the car! i dont know if this is enough information for you to suggest me something that suits me. Thank you very much!
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I could offer some suggestions but I'd be slightly biased for obvious reasons. I will say that we (BC Racing) do offer custom setups at no additional charge. This includes damper lengths, spring rates, spring lengths, valving etc....So besides the rates and valving we have determined to be a great balance for these cars based on our testing overseas along with on a number of cars here in the states our customers can spec out a kit in a anyway they like.
In being completely fair I think the best way to do this is to just give you as much information as possible to allow yourself to make an informed decision on your own rather than fall for a sales pitch and have it be something that isn't quite what you want. As I said if you have any specific questions please let me know and i'll try and give you as honest of an answer to it as possible
Quote:
Originally Posted by M4 CSL
I like the Ohlins TTX46 for front and TTX36 for the rear. At 300% stiffer up front, I believe this will be excellent for the track. However Ohlins claim that it will be just as comfortable on the street. I would like your opinion please.  |
To be honest I don't have very much first hand experience with those units. I'd have to check later but from memory the factory front spring is about 185lbs, so 300% increase would bring it just over 550lbs (or almost 10kg). If this is correct i'm not sure if I would agree with the statement that its "just as comfortable". There really just isn't a way to use a much higher spring rate and create a damper to control those oscillations without a change in cabin sensation, not to mention the change the spring makes.
While some of us may not mind the ride quality at this rate- its far from a OEM feel. What many people find very comfortable is an overall soft ride, one that "soaks" up all the small bumps in the road without very much sensation being transferred into chassis. Swapping to anything in the ballpark of 9-10kg will not feel like that at all...a LOT more is transferred and can be felt by the drivers and passengers of the car. That being said this is a lot closer to where you would want to be for maximum performance out of your car on street tires.
As I mentioned before your entire setup is always going to be a balance filled with compromises...many of us may be willing to give up comfort (soft) for performance or vice versa but regardless you need to figure out what you would be comfortable with. I've seen people get upset by how stiff their lowering springs are and people who think their custom coilovers are not stiff enough (solely speaking on driver feel on the street). I would like to add that people should not get bouncy (improperly valved setup or damaged/blown setup) confused with stiff or firm, and by no means do I want to push people away from stiffer setups (relative to factory)..they just factually do change how the car feels.
Also, as a rule it's probably better that most who are not familiar with setting up a cars suspension avoid 3 and 4 way adjustable setups. Not because they are inferior in anyway but because it is simply overkill, and they are just wasting money if they never plan to really mess with it and just have a shop toss it on at whatever it came set to from the factory. Having 3 or even 4 way suspension is great at the track, giving drivers the ability to adjust high and low speed settings allow you to truly fine tune your car for the conditions/track you are driving in. When these adjustments are not fully understood by the driver they usually will simply not adjust it and will not have any significant increase in performance or feel over well built single or 2way adjustable setup.