Thinking about your question, though -- a run duration like the Hill Climb is likely to get those tires Really warm. I'd ask around nasioc for someone with an STi who's used them on a road course, to see whether there is drop off in grip based on length of time or distance. I'd really hate to see you going in to a hill climb after you've had 50+ runs on a set, then find out you don't have grip 4 miles up the hill.
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