Steering issue under braking ! - Page 7 - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

Angrypuppy · 09-07-2022, 11:37 AM

So I mulled this over last night. Do I live with this quirk or move on to another platform. Not a huge deal, but big enough issue I’m reconsidering my choice of the BRZ. Need new rotors and don’t want to sink a bunch of money into this thing if I’m going to pull the plug.

Has anyone taken it into a dealer for “warranty” work. The used market is still strong enough it would be easy to jump ship.

Curious what other 22’ owners are planning or trying.

NoHaveMSG · 09-07-2022, 11:41 AM

Quote:

Originally Posted by Angrypuppy

It happened one other spot, I can’t recall exactly where. I think 12. For sure not 2,5, or 6 though. Strange. 2-3 times in 8 and once somewhere else, probably 12. 5 20 minute sessions.

Maybe the thumb, t11? 12 has that change in grade part way through. I can see T8 causing it, my car just doesn't hook up there so it doesn't happen to me there.

Probably just a combination of heat, and how hard you were working the car.

ML · 09-07-2022, 12:03 PM

Quote:

Originally Posted by Angrypuppy

So I mulled this over last night. Do I live with this quirk or move on to another platform. Not a huge deal, but big enough issue I’m reconsidering my choice of the BRZ. Need new rotors and don’t want to sink a bunch of money into this thing if I’m going to pull the plug.

Has anyone taken it into a dealer for “warranty” work. The used market is still strong enough it would be easy to jump ship.

Curious what other 22’ owners are planning or trying.

wait so you had this happen on a 2nd gen 86?

RedReplicant · 09-07-2022, 01:40 PM

Quote:

Originally Posted by Angrypuppy

Yay, happened to me today for the first time. Out at The Ridge in WA, turn 8.

For others that have experienced this, does it get worse or more frequent. Today was annoying. But I could live with it if this is all that I get.

The more grip the car makes (or as you get quicker) the more frequent it becomes

Interference between the chassis and sway bar endlink, chassis and sway bar, endlink binding, etc can also cause it but I've already fixed all of that.

Quote:

Originally Posted by ML

wait so you had this happen on a 2nd gen 86?

A few other second gens also posted about it in the other thread, unfortunately

Angrypuppy · 09-07-2022, 02:30 PM

Quote:

Originally Posted by ML

wait so you had this happen on a 2nd gen 86?

Correct

Angrypuppy · 09-07-2022, 02:31 PM

Quote:

Originally Posted by NoHaveMSG

Maybe the thumb, t11? 12 has that change in grade part way through. I can see T8 causing it, my car just doesn't hook up there so it doesn't happen to me there.

Probably just a combination of heat, and how hard you were working the car.

I agree, 2:01:07 yesterday. Previously 2:02-2:03. New best for me and starting to push harder.

CSG Mike · 09-07-2022, 04:36 PM

Quote:

Originally Posted by Angrypuppy

So I mulled this over last night. Do I live with this quirk or move on to another platform. Not a huge deal, but big enough issue I’m reconsidering my choice of the BRZ. Need new rotors and don’t want to sink a bunch of money into this thing if I’m going to pull the plug.

Has anyone taken it into a dealer for “warranty” work. The used market is still strong enough it would be easy to jump ship.

Curious what other 22’ owners are planning or trying.

What other platforms would you consider?

Angrypuppy · 09-07-2022, 05:11 PM

Quote:

Originally Posted by CSG Mike

What other platforms would you consider?

Rush Autworks SR1
Porsche 981 S/GTS
Possibly a new Supra

eb66 · 09-10-2022, 07:16 PM

Quote:

Originally Posted by RedReplicant

I messaged with them a bit and they said they haven't had any reports of cut out. I'm somewhat skeptical but maybe?

Yes, that is the one. I got the one where you set the assist where you want it with the button, and it gives a consistent level of assist.

zoomswimmer · 10-12-2022, 11:58 PM

Quote:

Originally Posted by CSG Mike

You can muscle past it, but you can fix it by correcting your suspension geometry in the front.

Will Rob be driving your car at SLB this year?

What suspension geometry differences would you recommend? More Caster?

RedReplicant · 10-13-2022, 12:36 PM

Quote:

Originally Posted by zoomswimmer

What suspension geometry differences would you recommend? More Caster?

I would expect more caster to make it worse.

I'm also curious what suspension geometry changes are supposed to solve this.

I swapped from JRZs to Shaftworks last week, absolutely verified that there is no binding in the bar endlinks, zero contact anywhere, etc. The cutout is still there.

The car only sees about 1.3-1.4g lateral, it doesn't happen during laps that are a couple seconds off pace.

RedReplicant · 10-14-2022, 02:00 PM

So, funny story, I was helping Vorshlag set the M3 CSL parameter on their MK60 ABS yesterday and I happened across this picture that he posted.

Might be worth a shot.

bcj · 10-14-2022, 02:15 PM

Upgrading to Nvidia 4090 may really be worth it, but then you're too heavy for the class?

RedReplicant · 10-14-2022, 02:48 PM

Quote:

Originally Posted by bcj

Upgrading to Nvidia 4090 may really be worth it, but then you're too heavy for the class?

LOL

10-14-2022, 02:00 PM	#96
RedReplicant Senior Member Join Date: Aug 2015 Drives: None Location: Arizona Posts: 960 Thanks: 1,533 Thanked 1,324 Times in 557 Posts Mentioned: 11 Post(s) Tagged: 0 Thread(s)	So, funny story, I was helping Vorshlag set the M3 CSL parameter on their MK60 ABS yesterday and I happened across this picture that he posted. Might be worth a shot. __________________ 2015 Subaru BRZ - K24 Swap - NASA TT5 2005 Lotus Elise - K24 Swap - NASA TT3

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09-07-2022, 11:37 AM	#85
Angrypuppy Member Join Date: Oct 2021 Drives: 2022 BRZ Limited on order Location: Western, WA Posts: 40 Thanks: 22 Thanked 32 Times in 11 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	So I mulled this over last night. Do I live with this quirk or move on to another platform. Not a huge deal, but big enough issue I’m reconsidering my choice of the BRZ. Need new rotors and don’t want to sink a bunch of money into this thing if I’m going to pull the plug. Has anyone taken it into a dealer for “warranty” work. The used market is still strong enough it would be easy to jump ship. Curious what other 22’ owners are planning or trying.

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