has the car had its coilovers corner weighted? Its fixed suspension so no lol.
What sort of spring hardness? God knows

what are you trying to achieve? More grip but I prefer understeer
nuetral handling?
understeery?
twitchy rear?

what kind of circuit? Twisty circuits with very little straights

What driving style? Tbh I don't really know, im heavy footed and aim for the less imput the better (ie, I keep my foot down to hard in the bend and cause understeer and I aim the car more for the exit of the bend so I have to turn very little on mid bend to exit)

Do you care about tyre wear? Not really.

slicks, road tyres, track day tyres? Toyo R888s