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Lexus Owners Club > Lexus Models > Lexus IS200 / Lexus IS300 / SPORTCROSS > Brakes & Suspension
IRLRs200
Is it possible to replace the springs on aftermarket coilovers. just wondering if replacing the springs on my D2 coilovers would make them more comfortable for the quality Irish roads. Is there much of a difference between TTE and Tein springs?

Here's what the springs on them are like:



Most of the roads are travel on a daily basis have major roads works on them im afraid the huge potholes etc my do some serious damage to my coilovers
bigal
You would theoretically be able to change them but you would need springs designed for the coilovers (i.e. the same diameter) not all springs are the same size, the best thing to do would probably be to contact a company that supplies the coilovers and see if they have springs with different spring rates.
IRLRs200
QUOTE(bigal @ Jan 23 2008, 04:31 PM) *
You would theoretically be able to change them but you would need springs designed for the coilovers (i.e. the same diameter) not all springs are the same size, the best thing to do would probably be to contact a company that supplies the coilovers and see if they have springs with different spring rates.



Cheers, don't think ill bother doing anything with the coilovers, probably just put standard shocks back on with lowering springs. Probably getting rid of the car soon so don't want o put any more money into it really!
loggyboy
Most coilovers use 1.9 or 2.25 inch spring diameters. meaning you can swap them for off the shelf items.

Have a look at demon tweeks and other performance places for ideas. Your likely to need professional need help choosing them unless you already know the standard poundage ratings that the existing ones have but even then, without experience it would be a trial and error process, too soft and it will bottom out over bumps or sit too low at rest with the weight on them.

The bonus with adjustble suspension (either fully adjustable coilovers or fixed height with adjustable shocks) is you can soften and stifen the ride to a certain extent with just the shock absorbers, so even with the springs they come with, if the shocks can be tweeked, you should find a suitable compromise of ride comfort, ride height and handling.

I think D2s have bounce and rebound settings for shocks, meaning thats even more adjustablitly, but also can make it more complicated to set up.
IRLRs200
QUOTE(loggyboy @ Jan 24 2008, 10:06 AM) *
Most coilovers use 1.9 or 2.25 inch spring diameters. meaning you can swap them for off the shelf items.

Have a look at demon tweeks and other performance places for ideas. Your likely to need professional need help choosing them unless you already know the standard poundage ratings that the existing ones have but even then, without experience it would be a trial and error process, too soft and it will bottom out over bumps or sit too low at rest with the weight on them.

The bonus with adjustble suspension (either fully adjustable coilovers or fixed height with adjustable shocks) is you can soften and stifen the ride to a certain extent with just the shock absorbers, so even with the springs they come with, if the shocks can be tweeked, you should find a suitable compromise of ride comfort, ride height and handling.

I think D2s have bounce and rebound settings for shocks, meaning thats even more adjustablitly, but also can make it more complicated to set up.


I have since highered the rear up a few mm and it seems to be a bit better. I'll try to adjust the dampening to make it stiffer at the rear so it doesn't bottom out under load as much i hope
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