Best performance alignment settings?

[bobombo]

I’m getting my alignment tomorrow, any other thoughts/opinions or real life changes people have made? I don’t love how the rear end gets that nervous feeling when pushed hard (similar to what's described here: https://www.supramkv.com/threads/rear-end-wiggle.2388/). Wondering if a little toe in on the rear wouldn’t be a bad idea.

I’m going to try Brunswick Toyota and see how it goes. I hit a curb so they had to order a strut for me ugggghhh. Here’s what mine looks like now (R for red, meaning out of alignment). Rear end is essentially 0 toe.. there are some people who reported their rear toe settings were off from factory (https://www.thedrive.com/news/31031/is-the-2020-toyota-supra-broken-straight-from-the-factory). Not so with mine

The new strut fixed your camber problem? Did they charge for it?

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[Nocturnal LE]

The new strut fixed your camber problem? Did they charge for it?

Nah... curb problem.

 

[reNeglect]

Ugh I’m confused now. Does that mean my front is toed in? They told me it was toed out in front, but the value for both from and rear is positive

Neutral Toe = better turn in feel.
Toe In = Stability
Toe Out = Has a similar effect as Toe in, as both wheels are slightly pointed outwards

Both Toe in/out has an effect on tire lifespan.

The issue with the Supra is Toe angle changes under suspension compression (bump steer) as the suspension compresses it can go from Toe in to toe out cause instability and also a change in direction (bump steer)


Also the Supra does have its faults. My opinion the 2020's need strut braces... as with macpherson strut suspension theres less suspension deflection or help keep the tire on the road plus some chassis stiffness/rigidity in the front end. Upon adding a strut brace the car feels much sturdier and the nervousness/swaying is reduced.

I'm currently running KW V3's and i am running it fairly stiff, i do however want to soften the rear up just a little but until my 265/35 P4S come in and im running 275 PSS and 305 P4S im gonna leave everything fairly stiff as the front suspension does rub.

I do plan on adding sway bars to see if that helps with the instability/swaying/nervousness/hesitant , which I honestly don't think it would...

SPL however does make tie rod ends, that correct the angle of the joint. https://www.splparts.com/products/b...d-ends-toyota-supra-gr-a90-gr-bmw-z4-g29.html

Think of a truck suspension, typically double wishbone front end where the front upper control arm on a lifted truck if the geometry is not corrected it reduces the wheel/suspension travel. And also leads to stiffen/worsening the ride quality.

With the SPL tie rod ends, you can apply a similar mindset where the pivot point when lowered or maybe even stock is not at a good geometric angle causing binding and potentially leading to the swaying/nervousness/hesitant feeling..

but then again I'm no expert/engineer/race kar driver/mekanik lol this just me assuming...

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