Agree. Larry noted that most NSXs only average about 5,000 miles per year and I bet that these days, it's even less. I remember talking to him when he was doing my 91 and he mentioned that the later (longer) service interval is fine. I think the issue is you will see a lot of change during the engine's first 15,000 miles, but after that, once the parts have settled in, the adjustments won't change much.
