Installation on both cars (the TR8 I did, the Z came with) was/looks easy. On the TR8, I plumbed it into the rear brake circuirty just outside of the master cylinder. It's easy, cut line, put on fittings, install.
Working on balancing it has been more difficult, especially on the 8. Hard to find where the fronts just lock up first in all conditions. At VIR I can get it set perfectly for Turn 1, but then the top of roller coaster is difficult because the car is not perfectly straight up there when braking.
David, others, if you guys can tell me how you balance it out?