Have you done anything regarding improved suspension bushings? Energy Suspension makes a polyurethane set.
http://www.ft86speedfactory.com/ener...ings-1436.html
http://www.ft86speedfactory.com/ener...ings-1435.html
While CSG makes a crazy spherical bushing set for your entire drivetrain and suspension.
http://counterspacegarage.com/produc...-kit-gt86.html
The tradeoff would be increased NVH. Probably a lot of increased NVH if all of the bushings were spherical.