hm...

This is a case where the suspension is stiffer than the rest of the car.

I would set the Koni's at full soft... see what that does. In short, the ride is too firm.

I am also not sure that a super stiff rear spring is good. The 84 FE1 spring is killer... higher than the later Z51 rear springs! Too high to be practical and leads to oversteer. I don't like a suspension on the street that is too stiff. Just impractical and potentially dangerious.

That corner is a bitch at 70 mph when you hit a bump... the sudden redirection is enough to make me lose my lunch.