Softer spring's for coilovers?

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Have a set of Tein HA's in my car which are great for corners but not bumps. I am wondering is it possible to get softer springs for these coilovers?
I have no idea what spring rate would be best for rough country roads and still be slightly firm, any ideas?
Many thanks

[fueltank]

Yeah you can get softer springs for them.
Do you have any idea what your spring rates are now?

[tinkerbell]

whiteline makes XRD race coils, in 61mm or 64mm internal sizes,

i assume many spring rates,

would suggest between 5kg/mm-7kg/mm rates

whiteline should be able to advise of "tender springs" might assist your situation...

[JCE]

Eibach also make a full range of coilover racing springs, there is a catalogue in this link somewhere. http://eibach.com/cgi-bin/htmlos.exe...10452500013347

[Page]

Yeah you can get softer springs for them.
Do you have any idea what your spring rates are now?

No idea i guess they are the one's that originaly came with HA's

whiteline makes XRD race coils, in 61mm or 64mm internal sizes,

i assume many spring rates,

would suggest between 5kg/mm-7kg/mm rates

whiteline should be able to advise of "tender springs" might assist your situation...

Is that between 5 and 7 or 5 for the front 7 for the back?

[tinkerbell]

5 and 7 is the range... and yes, 5 fr and 7rr might be OK?

stock Tein HA = 7fr & 9rr

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Doesnt sound much of a differance or is it?

[05dc5S]

5 front and 7 rear is close to stock...

i find 7 front and 9 rear quite comfy, maybe adjust your damper settings?

[tinkerbell]

Doesnt sound much of a differance or is it?

um, i am not good at math (so pls correct me) but going from a 7k to a 9k spring = 30% increase

and from 5k to 7k = 40% increase...

but springs dont behave that way anyways...

but YES it is a very big difference.

i recently changed from 8kfr/6krr to 12kfr/8krr and it was heaps firmer...

helped heaps on a smooth race track, sucks hard on any normal road...