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Engine, Exhaust, Transmission Discuss the FR-S | 86 | BRZ engine, exhaust and drivetrain.


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Old 06-17-2017, 10:26 PM   #15
Decep
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Originally Posted by gramicci101 View Post
You're confusing drop with spring rate. Aftermarket springs kill OEM struts because they lower too far and the strut has no travel left, so it bottoms out. But even then it depends on usage. I've been on RCE yellows and OEM struts for 50K miles with no issues. Others have needed new struts within 5K. People have run Eibach sportlines or RS-R superdowns for years with no problems.
I mean, the springs I've used in the past only drop an inch, maybe inch and a half and they killed my struts in a few months. Not even the sportlines. I don't think I'll ever change springs again without doing struts at the same time.

Could be the twins' struts are stiffer than most so they can handle it though.
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Old 06-17-2017, 10:42 PM   #16
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I mean, the springs I've used in the past only drop an inch, maybe inch and a half and they killed my struts in a few months. Not even the sportlines. I don't think I'll ever change springs again without doing struts at the same time.

Could be the twins' struts are stiffer than most so they can handle it though.
I don't know about the 2017's, but for '13-16 the struts were stronger than the springs. So an aftermarket spring with a slightly increased spring rate ended up riding better than OEM.

Going lower than 1-1.5 risks the axles' cv joints. Enough people have broken axles that I will not risk it. I'm happy with my 0.7 drop and slightly stiffer spring.
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Old 06-17-2017, 10:46 PM   #17
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stop being a *****
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Old 06-18-2017, 10:00 AM   #18
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How much stiffer than stock are these springs? Because even mild ones like eibach pro kit will kill stock struts..
The TRD springs are Eibach pros rebranded by Toyota. No reports on here of TRD's "killing" stock struts.
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Old 06-18-2017, 12:51 PM   #19
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I've never heard of an 86 rubbing because of lowering springs, clearance issues on this car are usually caused by poorly chosen wheels and coilovers set too low.

Riding on bumpstops is another matter though.
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Old 06-18-2017, 10:28 PM   #20
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I installed TRD springs when we bought our car, no issues.
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Old 06-22-2017, 09:37 PM   #21
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hi guys, I have a 2017 86 with the new TRD wheels and I was thinking of getting TRD springs, I really expect them not to rub, but my question is, if I'll would need an alignment after installing the springs since it is such a small drop, thanks
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Old 06-22-2017, 09:39 PM   #22
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hi guys, I have a 2017 86 with the new TRD wheels and I was thinking of getting TRD springs, I really expect them not to rub, but my question is, if I'll would need an alignment after installing the springs since it is such a small drop, thanks
Any time you disassemble and reassemble suspension components, it is in your best interest to get it aligned....go ahead and do front camber bolts when you do the springs.
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Old 06-23-2017, 11:45 AM   #23
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you should slap your friend and have your friend slap these "sources" for telling u that.... sound like a bunch of noobs
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Old 06-30-2017, 09:36 PM   #24
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I have a 2017 86 special edition with trd springs and no it doesn't rub.
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Old 07-06-2017, 08:48 AM   #25
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2017 with TRD springs, camber bolts (Brings the top of the tire closer to the strut) and 17x7.5 with an offset of 48, and I can still slide a credit card between the tire and the strut.

You're good to go.

Also, I spent $100 on an alignment after doing the springs and the camber, and all of my toe was within factory spec just as a heads up. Of course I wanted mine zero'd out for autocross, but from my limited experience, and what the alignment tech told me he has seen from other 86s, an alignment might not be needed
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Old 12-07-2017, 05:31 PM   #26
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Hey guys I've had a 2017 86 for a few weeks now and I'm thinking about putting some TRD lowering springs on it to make the wheel gap a little smaller and I like the lowered look of the 86.

I daily drive my 86 on 225 45 17's and it feels perfect the way it is. The ride is a bit harsh up in Michigan because the roads are absolute crap but it is still plenty comfortable for me.

The thing is I don't want to compromise the daily drivability and overall feel of the car. I know there has been a lot of discussion on lowering springs already but I haven't found too much on the 2017 version. I know they made some adjustments to the suspension to make it ride smoother stock compared to the 13-16's stock and I've also heard that the TRD lowering springs actually made the ride quality better for the 13-16's. Does anyone have input on how the TRD lowering springs affects the ride quality of the 17 compared to stock? The roads up here are crap enough and I don't really want noticeably worse ride quality.

I've also never scraped the bottom even on some really steep driveways just driving normally and I like having that peace of mind. Do the TRD lowering springs sort of ruin that peace of mind of not scraping or are you noticeably more aware of it?
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Old 12-08-2017, 01:30 AM   #27
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I had TRD springs and ran 18x8.5 in front and 18x8.75 in the rear and never rubbed unless it was a harsh dip. But my stock struts started failing in only 20k miles. I saw it as an opportunity to upgrade to coils though . I now know that, instead of going springs I will change to coils in any car.
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Old 12-08-2017, 03:10 PM   #28
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anyone running 18x9.5 on the trd springs? my understanding is that it will rub the spring perch?
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