used springs - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

Victorscp · 01-18-2019, 02:04 PM

i just came up on some eibach sportlines for free. they had about 20k miles on them. was wondering if it would be ok to put on my 2018 brz they came off a 2013 brz.

do springs go bad?

norcalpb · 01-18-2019, 02:25 PM

I think springs can lose stiffness over hundreds of thoussands of miles, but springs with 20k are completely fine.

candygram4mongo · 01-18-2019, 03:11 PM

The issue you are going to have isn't that the springs are old, but that they are Sportlines. That is about the limit of drop for just springs. You will have very limited suspension travel and geometry issues at the limit (hitting bump stops, bump steer, etc).

Then again, you can't fault something that is free. For a daily driver on smooth roads, you are good to go. If you don't like the ride, you can always go back to the old setup. No harm done.

Tcoat · 01-18-2019, 07:16 PM

They can but it is usually easy to tell. Decent quality heat treated spring are usually hard enough that they will break before they ever lose their tension.

ls1ac · 01-18-2019, 07:33 PM

That looks like some kids took a torch to the springs to lower the car.

01-18-2019, 02:04 PM	#1
Victorscp Member Join Date: Oct 2018 Drives: 2018 BRZ premium Location: CA Posts: 99 Thanks: 64 Thanked 40 Times in 24 Posts Mentioned: 0 Post(s)	used springs i just came up on some eibach sportlines for free. they had about 20k miles on them. was wondering if it would be ok to put on my 2018 brz they came off a 2013 brz. do springs go bad?

01-18-2019, 07:16 PM	#4
Tcoat Senior Member Join Date: Jul 2014 Drives: 2020 Hakone Location: London, Ont Posts: 69,838 Thanks: 61,656 Thanked 108,295 Times in 46,456 Posts Mentioned: 2499 Post(s)	They can but it is usually easy to tell. Decent quality heat treated spring are usually hard enough that they will break before they ever lose their tension. __________________ Racecar spelled backwards is Racecar, because Racecar.

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01-18-2019, 02:25 PM	#2
norcalpb Senior Member Join Date: Oct 2013 Drives: 2013 BRZ, 2023 Model 3 Location: SF Bay Area Posts: 2,347 Thanks: 1,256 Thanked 904 Times in 591 Posts Mentioned: 15 Post(s)	I think springs can lose stiffness over hundreds of thoussands of miles, but springs with 20k are completely fine.

01-18-2019, 03:11 PM	#3
candygram4mongo Member Join Date: Jul 2017 Drives: 2015 FR-s Location: Santa Clara Posts: 32 Thanks: 4 Thanked 18 Times in 10 Posts Mentioned: 0 Post(s)	The issue you are going to have isn't that the springs are old, but that they are Sportlines. That is about the limit of drop for just springs. You will have very limited suspension travel and geometry issues at the limit (hitting bump stops, bump steer, etc). Then again, you can't fault something that is free. For a daily driver on smooth roads, you are good to go. If you don't like the ride, you can always go back to the old setup. No harm done.

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