Offset upper bushings in the forward location will help. Are the strut rod bushings tight and in good condition? Shortening the the strut rods a 1/4" will help as well. Also often forgoten is the fact adding a lot of caster effects toe change. By adding caster (which is good) the steering arm (stock style rear steer) outer tie rod pivot location drops. The oter tie rod position may need to be raised by bending the steering arm. I have driven cars with -1 degree of caster (not recomending this) at 135 mph with no issues. However they had a good toe pattern.
Doug