No damage, probably just a little hot motor smell, no big.
Just did a 2-day HPDE this weekend and there was a Z out there with dealer plates on. I know he wasn't driving quite as aggressively as I was, but I'm sure he was holding those revs up pretty high most of the time too.
It's a recommendation, not a requirement to baby your car for a while. With the tolerances new motors are built at the concept of a break in period to seat rings and other things is less necessary. Obviously you don't want to ream it too hard, but you shouldn't be actually worried about damaging anything.
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2009 NISMO # 0193 | QAB | Albums! | 05.04.10 (Dynojet) 291.94hp/248.28tq
Oil Cooler (DIY) | Custom Headlights | GTSPEC Braces | F.I. Long Tube Headers
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