Setup steer-in versus traction

[Dino86]

Hi,

I'm looking for a setup that generates enough steer in-yaw and good traction at accelerating out of the corner.
I preffer a slight over-steered car at steer in.

I made my rear sway-bar adjustable.
At "hard" position I feel some increased yawing at steer-in but traction at corner exit when pushing the accelerator is
Massive wheelspin from the inner wheel.

Now, I dis-connected the rear Sway bar and this is my favourite setup so far.Steer in yaw is reduced and I feel diagonal roll but traction at the exit is much much better.
Off course I would like to have the swaybar to improve the steer-in.
How can I get both, traction and steer-in?
I was thinking about increasing spring rate in the rear.
What I see on the forum is that mainly all run way harder springs in the front than in the rear. It makes higher freq. in Front than Rear. Isn't this creating more understeer?

I'm not running on trackdays or circuits but on narrow (rally) roads in regularity events. So means, many thight low speed corners.

The front axle is not very responsive but I'm waiting to buy urethane bushings. and I will play around with the toe.

LSD is OE it's maybe OK for 50% only.
Any suggestions are welcome

my setup:

Front:
Camber -1-1.5 deg
Castor: OE
Toe 0
Spring around 4kg
Dampers: TRD blue???

Rear:
Sway bar none (at the moment)
Bilstein
spring around 3.7

Tires : Toyo T1R F 2.1 R 2.2