bc coilovers..10kg front and 6kg rear?


scotty89

scotty89

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Apr 8, 2009
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133
hi all
just ordered my bc coilovers, i was asked what setup i am after so i explained i want it stiffer then stock but not too harsh and also the car is a daily driver and has mild track use, so after the discussion and the advise i was given i have gone for spring rates of 10kg front and 6kg rear!? any good? has anyone used or is using this rate who could give an opinion?

thanks
 
usually you have 8k front 6k rear, for standard coilover spring rates, so that is quite stiff on the front. may be prone to skipping on uneven surfaces, causing understeer, and it'll be quite harsh on the road at the best of times (even 8k's can be a pain).
I've not seen those rates coupled together very often, so not too sure how it'll work. i've seen 10k/7k, so i guess the only way you'll know is to have a play with the settings and have the car setup as best you can. Obviously you'll want everything sorted (tracking, toe, camber etc) to get the best out of them, otherwise you may aswell have stayed stock - this just goes without saying though, one would assume you've budgeted for this setup anyway, if for track use :)
 
Well bc sell the coilovers at a standard spring rate of 12front and 6rear..I am planning on ordering 10k front and 6k rear also in the next week or two
 
Also depends on how much the dampening is set for as well with how stiff the ride is. If you have it set on 30 of course its going to be a stiffer ride than 10.

BC is a great set up though we sell loads of their kits and have never had any issues with them so you can't go wrong for the money.
 
It's not recommend you stray from 2kg/mm between front and rear rates, if you have any interest in tracking the car. 10k/f 6k/r would be OK for the street and "safe" but would have too much understeer.

The understeering tendencies of a FWD Honda have to be counteracted for a good handling car. The stock EK9 has the same rate springs front and rear for instance, and most autocross cars have a higher rate in the rear!

As far as harshness, it depends on your road quality, how much you can be comfortable with, and the quality of coilover.

I'll throw the fact out there that most coilovers only have damper rebound speed adjustment. So on "soft" your spring rate is the same, but the car just bounces back more slowly. A stiff setup is going to remain stiff, changing the shock rebound speed doesn't have too much of a difference.
 
My car is 8front and 4.5 rear and i consider it pretty stiff... good luck.
 
Nah get 10k front and 8k rear

I run 12k front and 8k rear, not exactly comfy as i run some preload on the rear springs, but it's a good setup
 
I run 6/4k BC coilovers as I wanted a close to OEM setup... perfect for fast road in my humble opinion. :)
 
I run 8k front 12k rear :D

At first I was running the 12k at the front, but after one
day at the track I switched the front to rear.
It had LOADs of understeer.

Hard at the rear is what makes it unconfortable.

I'm ready to pay the price on the street to lower my
lap time ont the track.
 
I have 6k front and 3k rear, next time I'll probably take 6k front AND rear. 6k is great for daily use. A lot stiffer, way less body roll but still comfortable enough.
 
cheers for the input guys, im fitting them on wednesday so il set them up to what i feel comfy with and take it for a test run and write up a review!

dino-spumoni...if that is the case and i do find the car to understear abit cant i stiffen up the dampening on the rear and soften it on the front to sort of counter act it? if that makes sense?
 
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