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Suspension | Chassis | Brakes -- Sponsored by 949 Racing Relating to suspension, chassis, and brakes. Sponsored by 949 Racing.


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Old 09-05-2021, 06:52 PM   #85
AndMsc
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Quote:
Originally Posted by Ernest72 View Post
It supposably just smooths out the turbulent air go around the rear end. I got them for my BRZ, they were $30 bucks on eBay. Can’t say they do anything.
Hello, do you have a link or the part name, please?
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Old 09-05-2021, 07:19 PM   #86
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I'm on B6's with HR springs (-1"), camber plates, better sway bars, 18's, 245 NT01's and the car feels amazing. Driving 8 hours to the track then on track for 2 days then driving back home this just feels like a really good overall setup.
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Old 09-06-2021, 05:34 AM   #87
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Quote:
Originally Posted by gpvecchi View Post
These are the part numbers for PP parts; beside of the P/N all PP springs are marked as 3 blue for front and 1 blue and 1 white for rear:

Toyota:
Front spring: SU003-07194
Rear spring: SU003-07196 (Models E-F, same as non PP)
Rear spring: SU003-08065 (Models G-H, same as non PP)

Front strut R: SU003-06790 (Marked 20310-CA140 on strut, red sticker)
Front strut L: SU003-06791 (Marked 20310-CA150 on strut, red sticker)
Rear shock: SU003-06796 (Marked 20365-CA130 on shock, red sticker)

Subaru:
Front spring MT: 20330CA200 (Same as non PP)
Front spring AT: 20330CA210 (Same as non PP)
Rear spring EU/US: 20380CA210 (Models E, F, G production date 20180101-20180930, same as non PP)
Rear spring EU/US: 20380CA211 (Models G-H from production date 20181001, same as non PP)
Rear spring JP: 20380CA200 (Models E, F, G production date 20180101-20180930, same as non PP)
Rear spring JP: 20380CA201 (Models G-H from production date 20181001, same as non PP)

Front strut R: 20310CA160 (Models E-F, blue sticker)
Front strut L: 20310CA170 (Models E-F, blue sticker)
Rear shock: 20365CA120 (Models E-F, blue sticker)

Front strut R: 20310CA280 (Models G-H, yellow sticker)
Front strut L: 20310CA290 (Models G-H, yellow sticker)
Rear shock: 20365CA240 (Models G-H, yellow sticker)

GR (10 mm lower):
Front spring: 48131-18060 (Made by Chuhatsu)
Rear spring : 48231-18030 (Made by Chuhatsu)

Front strut R: 48510-18040 (Yellow sticker)
Front strut L: 48520-18040 (Yellow sticker)
Rear shock: 48530-18050 (Yellow sticker)

STi/tS 2017+:
Front spring MT: 20330CA260 (Marked 1 light blue and 1 yellow)(Lowered 10 mm)
Front spring AT: 20330CA270 (Marked 1 light blue and 1 yellow)(Lowered 10 mm)
Rear spring US: 20380CA270 (Marked 1 purple and 1 yellow)
Rear spring JP: 20380CA260

Front strut R: 20310CA240 (Model F, green sticker)
Front strut L: 20310CA250 (Model F, green sticker)
Rear shock: 20365CA220 (Model F, green sticker)

Front strut R: 20310CA300 (Models G-H, purple sticker)
Front strut L: 20310CA310 (Models G-H, purple sticker)
Rear shock: 20365CA250 (Models G-H, purple sticker)


Update: reading a Japanese article, I discovered that Subaru added a couple of stabilyzing spoilers behind rear wheels, on the bumper in models G and H, and suspensions have been tuned accordingly. Toyota didn't, that's why Subaru rear shocks have been revised, but not Toyota's.


Update 2: not Sachs, but these are the other OEM specific options.

GRMN:
Front spring: 48131-18050
Rear spring : 48231-18020

Front strut R: 48510-18030
Front strut L: 48520-18030
Rear shock: 48530-18040


tS Model B (2013) (15 mm lower):
Front spring: ST20330AS010 (Marked 1 blue and 1 orange)
Rear spring : ST20380AS000 (Marked 1 white and 1 orange)

Front strut R: ST20310AS000
Front strut L: ST20310AS010
Rear shock: ST20365AS000


tS Model D (2015) (15 mm lower):
Front spring: ST20330AS030
Rear spring : ST20380AS000 (Marked 1 white and 1 orange)

Front strut R: ST20310AS070 (Made by Bilstein, inverted strut)
Front strut L: ST20310AS080 (Made by Bilstein, inverted strut)
Rear shock: ST20365AS030 (Made by Bilstein)


STi Aftermarket spring kit (15 mm lower):
Front spring: ST20330AS000 (Marked 1 white and 1 orange)
Rear spring : ST20380AS000 (Marked 1 white and 1 orange)(same of tS Model B/D)


STi Aftermarket shocks+spring kit (15 mm lower):
Front spring: ST20330AS010 (Marked 1 blue and 1 orange)(same of tS Model B)
Rear spring : ST20380AS020 (Marked 1 blue and 1 orange)

Front strut R: ST20310AS040 (Made by Bilstein, inverted strut)
Front strut L: ST20310AS050 (Made by Bilstein, inverted strut)
Rear shock: ST20365AS020 (Made by Bilstein)


86/BRZ Race coilover, STi and TRD are same kit (made by KYB):
TRD shocks kit MS260-18001 (Yellow color)
TRD springs kit MS250-18001

STi shocks kit 20300AS000 (Silver color)
STi springs kit 20300AS010


I missed the specific Toyota 86 14R60 coilover, as you can't order them, and not suitable for street, with square 14.6K springs!

Some stuff I've come across




STi/tS 2017+:
Rear spring JP: 20380CA260 (Marked 1 Green and 1 Yellow)

Pre 17 STI springs white stripe/orange , saw these alot on showas



Some nice shots and description heights:




ZC6 BRZ tS (Limited car) Genuine SHOWA STI tuning suspension kit Suspension kit Shock absorber ZN6 86

[Product description]
Shock part number
F: 20310AS000 / 20310AS010
R: 20365AS000 x2 The
amount of down is about -10mm.



Bilstien STI front suspension pics





Also cool vid that kinda highlights the thread title. CC English for me

Stock showa (with suspension mods) vs sti BRZ (SACHS/STI Springs) vs DK86 (KW).

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Old 03-15-2022, 12:38 PM   #88
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Figured I give my 2 cents on the Sachs with regards to my 2017 PP.

I do get the "crashy" comments of people saying they're a bit rough over bumps and imperfections. Here in PA, there are a lot of potholes and they're a bit jarring sometimes. Still completely acceptable for street use though. I feel like you're a bit overdamped and they were probably chosen to accommodate the STI pink springs better. Tossing them on the PP version was likely an afterthough IMO.

I do a lot of autocross and they work well for that. I didn't feel the need to change them out for Koni Yellows like you usually do for street class cars, but I'll eventually be moving to STX with adjustable coilovers.

I've had national level drivers run my car and they can feel a difference in the PP version over the regular version. Likely the Sachs combined with a 1mm larger rear swaybar. The comments are usually "yours feels setup right".

If you can snag a set for cheap for your regular struts, I'd do it. I wouldn't pay more than $250 used for them though.
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Old 11-17-2022, 04:59 PM   #89
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Quote:
Originally Posted by dragoontwo View Post
Is that what the tiny plastic piece behind the rear wheel is?
Where did you get them? Still have the link?

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Old 11-17-2022, 05:00 PM   #90
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Which spings do you say would fit a 2018 GT86 PP best?
RCE Yellows or https://parts.subaru.com/p/Subaru_20...2010CA000.html or others?

Thank you
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