Originally Posted by SG4247

Now, if you said 60 full 5 sec dyno pulls, or 400 1/4 mile runs before a problem arises, then we have a better understanding of how durable the engine is at a certain power level, since its under full load for a known duration of time.

Originally Posted by Nik@SOHO

Our Shop nismo has over 300 dyno pulls on it, 4 half mile events, and the 20 or so dragstrip passes at around 12 to 17 psi and its still running strong while this car has around 150 dyno pulls on it...

Originally Posted by SG4247

300 dyno pulls for wheel dyno is what 1500 sec?

20 1/4 mile passes is 220 sec?

And the four half mile events is 80 sec?

Total 1800 seconds?

So a total of 30 min at that level?