Which lowering springs for tS dampers? - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

gpvecchi · 05-29-2019, 05:05 PM

I'm thinking of replacing my Perfomance Pack dampers with tS ones, as I find them too soft, but I haven't found any lowering springs that match the damping rate.
I.E. JDM STi do not fit, US STi springs do not fit, Eibach do not fit...

Decep · 05-29-2019, 06:41 PM

rce yellow would be fine? i wasn't too happy with them and ended up with their SS1 coilovers though. lowering springs never feel quite "right" unless you have some smooooth roads.

Clutch Dog · 05-29-2019, 06:50 PM

You want lowering springs with the same spring rate?

Eibach has the closest that i know of. or maybe H&R?

gpvecchi · 05-30-2019, 12:48 AM

H&R quality is not that much, and Eibach are not compatible. I'd like to stay on a similar to stick spring rate. I'm actually happy with JDM STi springs, but damper rate is too soft for my taste.

norcalpb · 05-30-2019, 01:17 PM

Why not bigger sway bars?

Racecomp Engineering · 05-30-2019, 01:25 PM

What type of handling characteristics are you looking for?

- Andrew

Bello · 05-30-2019, 04:00 PM

Quote:

Originally Posted by Racecomp Engineering

What type of handling characteristics are you looking for?

- Andrew

Not to threadjack, but I just purchased the PP Sachs and springs yesterday and also would like some lowering springs. I daily my FRS and do some canyon drivng as often as time allows. Looking for a more planted feel and less of a wheel gap without going to coils. Would you recommend the RCE Yellows or Tarmacs?

JIM THEO · 05-30-2019, 04:13 PM

Quote:

Originally Posted by gpvecchi

I'm thinking of replacing my Perfomance Pack dampers with tS ones, as I find them too soft, but I haven't found any lowering springs that match the damping rate.
I.E. JDM STi do not fit, US STi springs do not fit, Eibach do not fit...

What do you mean "JDM STi do not fit, US STi springs do not fit", they don't "fit" your lowering needs?
I just received the US tS suspension (STI pink springs 20380CA260/270- Sachs tS dampers 20310CA240/250 & 20365CA220) the tS comes from the factory, of course they aren't lowering springs but they mate perfectly!

gpvecchi · 05-30-2019, 05:28 PM

JIM THEO, we already talked of this, you want stock springs, I want lowered springs. STi parts are aftermarkets, they are lowered and they are produced for JDM (-15 mm) and US (-10 mm) market and are not compatible for tS shocks. They have nothing to do with stock springs. But they can't be fitted to tS models because of different damping rate.

Anyway, please close the thread, we are going out of the question.

JIM THEO · 05-30-2019, 06:32 PM

Understood, you mention STI springs and as OEM tS springs are made by STI I thought you meant those springs.

Racecomp Engineering · 05-31-2019, 10:30 AM

Quote:

Originally Posted by Bello

Not to threadjack, but I just purchased the PP Sachs and springs yesterday and also would like some lowering springs. I daily my FRS and do some canyon drivng as often as time allows. Looking for a more planted feel and less of a wheel gap without going to coils. Would you recommend the RCE Yellows or Tarmacs?

Short answer, it depends but the Yellows are probably better for you. Feel free to PM me for more info.

- Andrew

Racecomp Engineering · 05-31-2019, 10:32 AM

Quote:

Originally Posted by gpvecchi

JIM THEO, we already talked of this, you want stock springs, I want lowered springs. STi parts are aftermarkets, they are lowered and they are produced for JDM (-15 mm) and US (-10 mm) market and are not compatible for tS shocks. They have nothing to do with stock springs. But they can't be fitted to tS models because of different damping rate.

Anyway, please close the thread, we are going out of the question.

No one is going to make a spring specifically for the tS shocks if that's what you're looking for.

I suspect you'd be happy with the STi parts.

- Andrew

JIM THEO · 05-31-2019, 11:26 AM

Quote:

Originally Posted by Racecomp Engineering

No one is going to make a spring specifically for the tS shocks if that's what you're looking for.

I suspect you'd be happy with the STi parts.

- Andrew

By the way I don't think "upgrade" pink STI springs for the BRZ are incompatible with the tS dampers due to damping rates as they are 50N front - 40N rear (https://www.nengun.com/sti/coil-springs) and much more close to the rates of the OEM tS pink springs.
Probably due to been lowering springs that Sachs dampers can't cope with!

gpvecchi · 05-31-2019, 04:53 PM

https://www.sti.jp/parts/subarubrz_z.../ST20330AS000/

Not compatible with STi/tS Sachs dampers

05-29-2019, 05:05 PM	#1
gpvecchi Senior Member Join Date: Mar 2018 Drives: Toyota 86 GT Limited PP (Model G) Location: Italy Posts: 1,018 Thanks: 406 Thanked 335 Times in 187 Posts Mentioned: 14 Post(s) Tagged: 0 Thread(s)	Which lowering springs for tS dampers? I'm thinking of replacing my Perfomance Pack dampers with tS ones, as I find them too soft, but I haven't found any lowering springs that match the damping rate. I.E. JDM STi do not fit, US STi springs do not fit, Eibach do not fit...

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05-29-2019, 06:41 PM	#2
Decep Senior Member Join Date: May 2017 Drives: 2013 FR-S Series 10 Location: CA Posts: 1,073 Thanks: 172 Thanked 497 Times in 326 Posts Mentioned: 6 Post(s) Tagged: 0 Thread(s)	rce yellow would be fine? i wasn't too happy with them and ended up with their SS1 coilovers though. lowering springs never feel quite "right" unless you have some smooooth roads.

05-29-2019, 06:50 PM	#3
Clutch Dog Senior Member Join Date: Jan 2019 Drives: 2017 BRZ PP , 2005 Saab 97X Location: CA Posts: 1,052 Thanks: 754 Thanked 721 Times in 405 Posts Mentioned: 4 Post(s) Tagged: 0 Thread(s)	You want lowering springs with the same spring rate? Eibach has the closest that i know of. or maybe H&R?

05-30-2019, 12:48 AM	#4
gpvecchi Senior Member Join Date: Mar 2018 Drives: Toyota 86 GT Limited PP (Model G) Location: Italy Posts: 1,018 Thanks: 406 Thanked 335 Times in 187 Posts Mentioned: 14 Post(s) Tagged: 0 Thread(s)	H&R quality is not that much, and Eibach are not compatible. I'd like to stay on a similar to stick spring rate. I'm actually happy with JDM STi springs, but damper rate is too soft for my taste.

05-30-2019, 01:17 PM	#5
norcalpb Senior Member Join Date: Oct 2013 Drives: 2013 BRZ, 2023 Model 3 Location: SF Bay Area Posts: 2,296 Thanks: 1,212 Thanked 861 Times in 570 Posts Mentioned: 15 Post(s) Tagged: 0 Thread(s)	Why not bigger sway bars?

05-30-2019, 01:25 PM	#6
Racecomp Engineering Join Date: Nov 2011 Drives: 2016 BRZ, 2012 Paris Di2 & 2018 STI Location: Severn, MD Posts: 5,403 Thanks: 3,416 Thanked 7,241 Times in 2,962 Posts Mentioned: 303 Post(s) Tagged: 9 Thread(s)	What type of handling characteristics are you looking for? - Andrew

05-30-2019, 05:28 PM	#9
gpvecchi Senior Member Join Date: Mar 2018 Drives: Toyota 86 GT Limited PP (Model G) Location: Italy Posts: 1,018 Thanks: 406 Thanked 335 Times in 187 Posts Mentioned: 14 Post(s) Tagged: 0 Thread(s)	JIM THEO, we already talked of this, you want stock springs, I want lowered springs. STi parts are aftermarkets, they are lowered and they are produced for JDM (-15 mm) and US (-10 mm) market and are not compatible for tS shocks. They have nothing to do with stock springs. But they can't be fitted to tS models because of different damping rate. Anyway, please close the thread, we are going out of the question.

05-30-2019, 06:32 PM	#10
JIM THEO Senior Member Join Date: Feb 2018 Drives: BRZ 2018 Location: Greece Posts: 495 Thanks: 119 Thanked 135 Times in 95 Posts Mentioned: 6 Post(s) Tagged: 0 Thread(s)	Understood, you mention STI springs and as OEM tS springs are made by STI I thought you meant those springs.

05-31-2019, 04:53 PM	#14
gpvecchi Senior Member Join Date: Mar 2018 Drives: Toyota 86 GT Limited PP (Model G) Location: Italy Posts: 1,018 Thanks: 406 Thanked 335 Times in 187 Posts Mentioned: 14 Post(s) Tagged: 0 Thread(s)	https://www.sti.jp/parts/subarubrz_z.../ST20330AS000/ Not compatible with STi/tS Sachs dampers

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