Verkline Rear Adjustable Traction Link and Toe Link NVH Question

[Funkjaw]

Thinking of getting these two items:
Verkline Rear Adjustable Traction Link
Verkline Rear Adjustable Toe Link

Main reason for considering these links is the amount of rear-end wriggle that myself and many others have found in this car in stock form. I find the rear end to be unstable and frankly a little dangerous when pushing it and it seems doing these two items will resolve 90% of that from what I have learned.

For those who have them, or even other heimjoint based variants such as SPL, Torque Solutions, etc.. - how much more NVH is experienced? My car is a daily driver before all else and really enjoy how refined the MKV Supra is when just tooting around town and would hate to ruin that.

Any feedback is appreciated, thank you

EDIT
Got the traction and toe links installed and they did not generate any additional NVH like others have mentioned.

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[spaghettihoes]

I have the toe links and didn't notice any major difference. I also have their LCA and caster arms and didn't notice a significant change.

Did you get your car aligned? I got a track alignment with more rear toe and the rear end is really stable even on track. Rear toe is also adjustable without the arms although I can vouch for the Verkline toe arms being great with a lot more adjustability than the factory eccentric bolt.

 

[razorlab]

I noticed zero NVH change.

 

[spaghettihoes]

Oh also if you do change them look up which suspension bolts and nuts you need as they're one time torque to yield bolts that should be replaced every time they're taken off. The manual from Verkline has part numbers but the Toyota numbers didn't seem to always be for the right part, the BMW numbers they provided looked correct though.

 

[Funkjaw]

Awesome, thanks everyone for the replies!

 

[Thraxbert]

My Supra is used on street and strip, so keep that perspective in mind when weighing my feedback.

I recently did the full SPL setup except for front caster bushing. There was a noticeable improvement in road feel transmitted to hands and butt. At first, I thought the car felt more "floaty," but I realized I was subtly cluing into the undulation of the pavement. Launches definitely improved, and the back right kickout got a lot easier to control.

Overall I'm glad I did it, and I'd do it again. If I was dedicated to road course use, I'd go with Verkline, but SPL is fine for street and strip.

 

[FLtrackdays]

Agree with the others. I didn’t notice any change either.

Also @Thraxbert has a full list of TTY and other bolts you’ll need. His thread saves so much time!!!!

https://www.supramkv.com/threads/oem-suspension-bolt-kit.17261

 

[Burn Rubber 3.0]

when i got my supra, the first thing i did was mickey thompson 285 tires on rear, crap, would not go in a straight line for anything. from a launch it wanted to swap ends, on a straight line it wandered all over hell. besides the bigger turbo and all the other stuff that goes with it, it now goes straight.
Here is my solution,
upgraded rear trans mounts
EOS rear diff brace
Twisted tuning diff lockdown kit
rear traction bars
Eibach front sway bar,, used in position 1

It feels like a whole different car now, way more confidence in cornering and launches really good.

when you get on it that rear diff ball is moving all over the place, rubber mounts, with out locking down that ball it throws the car all over the place.











eos

 

[Kujiwara]

The main reason for the rear wiggle is the larger voids in the rear subframe bushings, this is very standard on BMWs but especially amplified on Supras due to the short wheelbase. More toe-in in the rear helps to some extent, but my eventual plan is to get stiffer subframe bushings when such options are available, don't want full alloy (you will gain NVH)

 

[Burn Rubber 3.0]

oh,
i forgot the verus motor mounts, i don't know if they helped or not ?
it's one of the first things i did.

 

[Rensuhlo]

Have you heard of these inserts? https://hardraceusa.com/products/hardrace-q0857

Description
Hardrace subframe anti-vibration insert is a great choice to improve traction and get a more connected suspemsion feedback. The insert features CNC aluminum construction for precise fitment to the factory subframe bushings. By filling the void in the bushings, the inserts capably limit unwanted movement and firming up the subframe, eliminating wheel hop, power loss and sloppy suspension feel under harsh driving conditions.

 

[Funkjaw]

Description
Hardrace subframe anti-vibration insert is a great choice to improve traction and get a more connected suspemsion feedback. The insert features CNC aluminum construction for precise fitment to the factory subframe bushings. By filling the void in the bushings, the inserts capably limit unwanted movement and firming up the subframe, eliminating wheel hop, power loss and sloppy suspension feel under harsh driving conditions.

I saw that as well, made me chuckle. Also I'd imagine those increase NVH being directly on the subframe - I have something similar in my BRZ and they definitely increased NVH on that car (which isn't a big deal as it's primarily a track car).

 

[AJRMKV]

when i got my supra, the first thing i did was mickey thompson 285 tires on rear, crap, would not go in a straight line for anything. from a launch it wanted to swap ends, on a straight line it wandered all over hell. besides the bigger turbo and all the other stuff that goes with it, it now goes straight.
Here is my solution,
upgraded rear trans mounts
EOS rear diff brace
Twisted tuning diff lockdown kit
rear traction bars
Eibach front sway bar,, used in position 1

It feels like a whole different car now, way more confidence in cornering and launches really good.

when you get on it that rear diff ball is moving all over the place, rubber mounts, with out locking down that ball it throws the car all over the place.
eos

Im looking to solve this issue as well.

Could you provide some information on the rear trans mounts you chose?

Also im wondering what you mean by EOS rear diff brace and twisted tuning diff brace and twisted tuning diff lockdown kit. Arent those the same thing?

 

[Burn Rubber 3.0]

Hey, AJRMKV
EOS, rear diff brace.
Twisted tuning, front diff mount braces.

 

[AJRMKV]

Hey, AJRMKV
EOS, rear diff brace.
Twisted tuning, front diff mount braces.

I'm guessing the EOS rear diff brace and the twisted tuning one do the same thing

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