Front Swaybar Help! - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

Znu · 09-30-2019, 03:53 PM

Hi guys, I recently put on some Tein flex z coilovers and found out that one of my front sway bar end links is pretty much done for and my sway bar is knocking when I make sharp turns. I was wondering what would be the best plan of action; replacing one sway bar end link, replacing both, or replacing the whole sway bar. This is on a daily driven 2013 frs at 91k miles (dunno if that is a factor to consider or not lol). I do some spirited driving in canyons and how to track the car once I get the suspension all dialed in.

Also, what effect would thicker front sway bars have on the Ride quality??

Thanks in advance!

-josh.

DarkPira7e · 09-30-2019, 04:02 PM

Replace both! For now, I'd disconnect the endlinks from the swaybar. The car will drive a little softer over bumps and have a bit more lean in turning, that's all.

Larger swaybars mean less body roll in corners, but that also means stress applied to only one wheel is shared more strongly with the other. At a point, this means less grip on your inside tire in a corner because it can't react independently.

Tl;Dr - buy new endlinks and leave the swaybar alone.

Clutch Dog · 09-30-2019, 04:28 PM

I got a set of adjustable swaybars endlinks from whiteline that could work if you want em.

Znu · 09-30-2019, 10:30 PM

Hi pirate, do you mean to just disconnect the sway bar until I replace the end links?
And clutch, what is the purpose of adjustable end links?

Sorry guys I’m a total noob to this! Hahaha

CoolHandMoss · 09-30-2019, 10:44 PM

Your question is hard to answer without more information than you have provided. You have a faulty part. The sensible answer is to replace the faulty part. No need to replace the other end link if it is fine. Getting a new sway bar is not going to fix your noise if it is only being caused by an individual end link. A new sway bar could be a good idea for other reasons though.

Sway bars don't really effect ride quality in a straight line much. They do a little bit but not to a significant extent. That is the point of using a sway bar instead of stiffer springs. The sway bar stiffens the outside corner in a turn without making the car stiffer in a straight line.

09-30-2019, 03:53 PM	#1
Znu Member Join Date: Mar 2018 Drives: 2013 Scion FR-S A/T Location: Los Angeles Posts: 17 Thanks: 1 Thanked 0 Times in 0 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Front Swaybar Help! Hi guys, I recently put on some Tein flex z coilovers and found out that one of my front sway bar end links is pretty much done for and my sway bar is knocking when I make sharp turns. I was wondering what would be the best plan of action; replacing one sway bar end link, replacing both, or replacing the whole sway bar. This is on a daily driven 2013 frs at 91k miles (dunno if that is a factor to consider or not lol). I do some spirited driving in canyons and how to track the car once I get the suspension all dialed in. Also, what effect would thicker front sway bars have on the Ride quality?? Thanks in advance! -josh.

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09-30-2019, 04:02 PM	#2
DarkPira7e Rust bucket enthusiast Join Date: Feb 2017 Drives: 2013 Turbo Firestorm FRS Location: Vermont Posts: 3,932 Thanks: 3,198 Thanked 4,095 Times in 2,045 Posts Mentioned: 31 Post(s) Tagged: 0 Thread(s)	Replace both! For now, I'd disconnect the endlinks from the swaybar. The car will drive a little softer over bumps and have a bit more lean in turning, that's all. Larger swaybars mean less body roll in corners, but that also means stress applied to only one wheel is shared more strongly with the other. At a point, this means less grip on your inside tire in a corner because it can't react independently. Tl;Dr - buy new endlinks and leave the swaybar alone.

09-30-2019, 04:28 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)	I got a set of adjustable swaybars endlinks from whiteline that could work if you want em.

09-30-2019, 10:30 PM	#4
Znu Member Join Date: Mar 2018 Drives: 2013 Scion FR-S A/T Location: Los Angeles Posts: 17 Thanks: 1 Thanked 0 Times in 0 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Hi pirate, do you mean to just disconnect the sway bar until I replace the end links? And clutch, what is the purpose of adjustable end links? Sorry guys I’m a total noob to this! Hahaha

09-30-2019, 10:44 PM	#5
CoolHandMoss Senior Member Join Date: Jan 2018 Drives: 2013 FRS Location: VA Posts: 305 Thanks: 1 Thanked 86 Times in 55 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Your question is hard to answer without more information than you have provided. You have a faulty part. The sensible answer is to replace the faulty part. No need to replace the other end link if it is fine. Getting a new sway bar is not going to fix your noise if it is only being caused by an individual end link. A new sway bar could be a good idea for other reasons though. Sway bars don't really effect ride quality in a straight line much. They do a little bit but not to a significant extent. That is the point of using a sway bar instead of stiffer springs. The sway bar stiffens the outside corner in a turn without making the car stiffer in a straight line.

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