Many things contribute to how flat the MINI body remains in corners, a few of them are roll couple percentage, roll center height, spring and damper rates, anti-roll bar stiffness and the kinematic design of the suspension links. A camber plate enables more of the tire’s contact patch to do its job; not prevent body roll. A tire’s sidewall stiffness can have an impact on how much the body dips into a corner, but its relationship is far less than mechanical dynamics, and the amount of “give†in a fixed plate’s rubber, has less effect still. However true that a solid suspension mount on the strut shaft allows the strut to perform without energy loss via a rubber bushing, its contribution to flat cornering is way down the list.
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not a significant contributing factor -
andyroo New MemberMotoring Alliance Sponsor
- Sep 8, 2009
- 6
- water science and mapping, and suspesnion and brak
- Ratings:
- +6 / 0 / -0
I for one wish Bilstein made thier HD dampers for the R53, and not just the sports. Enough that I'm thinking of buying the R56 Bilstein HDs and modifying the rears to make them fit.
Those with stock or TSW springs, IE Fixed plates, and maybe a 19mm rear bar would be an awesome set-up. Maybe split the difference between Koni Yellow and Koni FSD.
But I'm also still tempted to try KW V1 or the Koni coilovers with custom linear springs. I'd prefer the extra travel from that.
- Andrew -
OK, i managed to make at least a few decisions
Ireland fixed camber (for a dd these will suffice)
Poly FCAB (stock is shot)
Poly trailing arm brushing (stock is a bit squishy)
TSW lower rear control arms
I already have TSW 19mm RSB
my stock struts are about shot.
Now the decisions.
TSW springs with new struts, koni yellow or bilstein sport
OR
KV v1
all the setups fall in my price range so the questions are...
koni yellow vs bilstein sport, what is the diff?
i have only used bilstein sports in the past (87 16v scirocco and 92 s4) and liked them the ride was firm but not rough. Is cost why no one uses them on minis, or are their other reasons?
does the additional cost of the V1's equate to a significant increase in handling or less detriment to ride quality? How much so? (adj height doesn't matter to me but the full travel and better dampening, sound advantageous)
Thanks for answering all my questions everyone i got a bit off track letting my imagination run away with my pocket book. Both have been put into perspective and chained in the basementut:
Thanks,
Jonathan -
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andyroo New MemberMotoring Alliance Sponsor
- Sep 8, 2009
- 6
- water science and mapping, and suspesnion and brak
- Ratings:
- +6 / 0 / -0
How would you compare your Bilstein Sport with stock springs to stock in terms of ride quality? IMO stock ride quality sucks (i have s-lites with non-runflat bridgestone grids that i can't wait to get rid of).
The Bilstein site only shows the sports for the rear, but I'll contact my Bilstein guy and check when the time comes for me to make a purchase. I will be trying stock with cut bumpstops and IE fixed plates first.
I've been in time attack cars with much "stiffer" suspensions that are more compliant than the stock Mini S suspension.
- Andrew -
Ride quality is good for me, nothing near the oscillation the stock strut goes through, definitely firm with anticipatory puckering when I see rough road ahead.
The Tire Rack carries the HD rears, but I don't see an advantage for going softer at the rear axle, that would add to the inherent understeer of the MINI. -
After much deliberation the thoughts of sharp turn-in and flat & neutral handling have got the best of me. Ride quality be darned i have made up my mind.
Koni yellows
TSW springs
Poly Control and trailing arm brushing
Vorshlag camber plates
AST rear mounts (if they will fit with koni, somethng about "on rails" gets my motor going)
Now if only the springs were in stock.
Here is to being a Guinea pig and thanks for all the info.
-Jonathan -
andyroo New MemberMotoring Alliance Sponsor
- Sep 8, 2009
- 6
- water science and mapping, and suspesnion and brak
- Ratings:
- +6 / 0 / -0
Enjoy, post the results!
- Andrew -
Well with TSW on the outs and it going to be a while before their springs are back in stock.
I called up Dinan to find that there suspension packages are on sale.
Drop is about 1/2" and while the rates are propitiatory they are linear and are about 20 - 25% stiffer.
So i picked up Dinan springs and koni yellows for a good deal.
I can't see a reason to run more then 2deg camber on the street so i am going with the Ireland fixed. I should end up in the 1.5deg area.
The drop is low so there shouldn't be a need for rear control arms.
AST doesn't make the rear mount to fit a koni shock. I am sure you could replace the spherical bearing to get it to fit but i decide that i am not that hardcore.
I'm am still going to do poly fcab and trailing arm brushings.
Anyone know if the old fcab can be gotten out with the hack saw trick (cut a pice out and hit it with a hammer)?
Thanks for all the help everyone.
-Jonathan -
ok, after two weekends all is in.
i will reserve final judgment till i get an alignment, but it feels good so far and i expect it to be better after and alignment.
-Jonathan
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