TEIN: FLEX vs. SS vs. BASIC
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Originally Posted by JTso
Basic has only height adjustment. Flex has height and dampering adjustment and heavier spring rates. The Basic requires some of the original parts. The Flex is a complete coilover assembly.
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Originally Posted by TSX 3Pedal
What are the advantages/disadvantage of pillowball mounts?
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#11
Stock is 280F, 175R. A-Spec is around 10% firmer than that. Both stock and A-Spec springs are linear springs. That means that all of the coils are equal in terms of spacing and rate. So, for example, if you apply 280 lbs of weight to the stock front spring, it will compress 1".
For progressive springs, rates are a little harder to determine. There was a post showing spring rates for the Comptech 110-155 springs. From what Comptech tells me, Eibach makes their springs for them, and the 155 part # was originally for the TL and was initially spec'd for the TSX as well. I had called Eibach and was told that they never release spring rates, not because it's a big secret but because it is very difficult to state the rate of a progressive wound spring.
With a progressive spring, some of the coils are further apart and have a softer rate than the closer wound coils. So, the amount of weight it takes to compress them the first 1" is less than the amount it takes to compress them another 1", and so on. You can calculate it for any given weight/compression, but it's always changing.
The springs included on the Tein Flexes are linear, and while the rates seem high, keep in mind that the struts are matched to them, and the struts play a large role in determining ride quality as well. I know it seems hard to believe, but the Flexes are not harsh at all when set to the softer settings.
For progressive springs, rates are a little harder to determine. There was a post showing spring rates for the Comptech 110-155 springs. From what Comptech tells me, Eibach makes their springs for them, and the 155 part # was originally for the TL and was initially spec'd for the TSX as well. I had called Eibach and was told that they never release spring rates, not because it's a big secret but because it is very difficult to state the rate of a progressive wound spring.
With a progressive spring, some of the coils are further apart and have a softer rate than the closer wound coils. So, the amount of weight it takes to compress them the first 1" is less than the amount it takes to compress them another 1", and so on. You can calculate it for any given weight/compression, but it's always changing.
![](http://i142.exs.cx/img142/4233/110155f8wn.jpg)
![](http://i142.exs.cx/img142/6656/110155r1is.jpg)
The springs included on the Tein Flexes are linear, and while the rates seem high, keep in mind that the struts are matched to them, and the struts play a large role in determining ride quality as well. I know it seems hard to believe, but the Flexes are not harsh at all when set to the softer settings.
#13
Use all 3 Pedals at once
Thread Starter
How long do coilover systems usually last?
Do they last longer than the Eibach Prokit and stock shocks?
xizor replaced his prokit and stock shocks after 7 months
Do they last longer than the Eibach Prokit and stock shocks?
xizor replaced his prokit and stock shocks after 7 months
#14
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Originally Posted by TSX 3Pedal
How long do coilover systems usually last?
Do they last longer than the Eibach Prokit and stock shocks?
xizor replaced his prokit and stock shocks after 7 months
Do they last longer than the Eibach Prokit and stock shocks?
xizor replaced his prokit and stock shocks after 7 months
i have my prokit for 10 mons .. and it's still doing a good job so far .. ~
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Originally Posted by TSX 3Pedal
How long do coilover systems usually last?
Do they last longer than the Eibach Prokit and stock shocks?
xizor replaced his prokit and stock shocks after 7 months
Do they last longer than the Eibach Prokit and stock shocks?
xizor replaced his prokit and stock shocks after 7 months
#16
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Originally Posted by TSX 3Pedal
How long do coilover systems usually last?
Do they last longer than the Eibach Prokit and stock shocks?
xizor replaced his prokit and stock shocks after 7 months
Do they last longer than the Eibach Prokit and stock shocks?
xizor replaced his prokit and stock shocks after 7 months
Forever.
Well, for the most part. The advantage of many coilover systems (especially Teins) is that they are fully rebuildable. Tein performs rebuilds in-house in Southern California for a reasonable price ($100-115 per shock).
Stock shocks are not going to be able to handle the increased spring rate of aftermarket springs. A matched coilover setup is going to last much longer than a mix-match because the shocks are dampened appropriately for the springs that come with them. I have customers that have had Teins on their cars for over 2 years without needing a rebuild. And some of them even frequent track days!
Marcus
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