Originally Posted by DaveW

I got that part... im asking about the RPM *AFTER* the end RPM setting.

Start RPM: 4000
End RPM: 8000
Actual motor RPM at end of the straight: 12,000

In this scenario, boost (not turbo) ends at 8000 rpm. If so, then you WOULD have 4000 non-boosted RPM. Correct?

12,000-8,000=4,000.