[thstone]

In a racing weekend, I shift near/at redline around 400 times (every upshift). Probably 10 hit the rev limiter. I'd have to check the ECU for the number of downshift over-rev counts - I am sure that there are a few. Then I do this 15 weekends a year; so 6,000 shifts at redline per year. And I do this on the original IMS bearing with 94,000 miles.

These engines are actually pretty tough.