Hi Greg great work taking the plunge (again) - I have done tons on my brakes and ended up chasing my tail, honestly you don't need bigger calipers unless running big power, (they DO look pretty though!) I converted mine, then struggle even on the track to get heat into them. Stick with what the guys above say, pads and fluid all the way, then depending on the results chip away at it. One other really good bit of advice that I always ignore and regret!! - Change one thing at a time then test it, brakes are very personal and some of what happens doesn't seem logical but one thing at a time, scientific - thats why proper teams spend so much time testing, best of luck.