I've only run a 15.2 at 90+ mph, the car is much faster than that. I am having traction problems with the open diff from a cressida that is in it right now. It dyno'd at 230rwhp, 257torque at 10 psi. It should be in the 14's no problem.
Not yet Dave, low on funds at the moment. Definitely on my to do list though.