Suspension Question

[ChitownStang]

I have the same spec Tires and wheel setup as the PP except I have Niche Wheels and Nitto NT555 G2's

10” wide wheels in rear 9”wide in front

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[808muscle]

Did you have the alignment tech clock your bushings?

 

[ChitownStang]

Excuse my ignorance but I have no idea. I had a performance shop do the work. He did everything on jack stands .
Can you explain what this means?

 

[BmacIL]

Did you have the alignment tech clock your bushings?

He didn't lower the car. Not needed.

 

[Roadway 5.0]

So I need a little help on my suspension setup.
I have a 15 - non pp gt that I have installed oem pp springs, Steeda fixed pro-actions, Bushing support/centering system, IRS support brace. I've also done some front stiffening with oem pp strut tower brace/upper and lower k-bracing and I run staggered 19" summer tire setup.
My issue is when aggressively cornering, pushing the car to the edge before loosing traction, the car feels a little wiggly and unstable. What do I need to do to be a little more stable and composed without adding NVH?
I am on stock GT sway bars, is this my weak point?
Keep in mind I'm not a racer but I do drive aggressively where it's safe and I want to enjoy my sports car. I've spent a lot of money on the suspension so far and I think I'm close, but I do not want to lower or make the car less comfortable than I already have so I'm walking a fine line here, I know.
Thanks in advance for any advice.

Thinking on this more, what drive setting do you usually use (normal/sport/track)? Was traction control disabled? It’s possible your driving aids are causing some rumbling.

 

[ChitownStang]

This is an interesting idea.

I always drive in sport mode which I believe keeps some nanny’s on even with a tune.
I usually do not turn off traction control because I still can spin the tires through 1st and 2nd when I stomp on it.
Maybe I should try track mode or sport mode with active assist off.
To me sport mode feels faster than track
Thanks Roadway

 

[808muscle]

Excuse my ignorance but I have no idea. I had a performance shop do the work. He did everything on jack stands .
Can you explain what this means?

You swapped springs, while they were OEM springs if the car lowered at all you need to clock the bushings so the car sits evenly and behaves properly. Bmr started a thread titled clock those bushings, you should read it.

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