Originally Posted by M7H
Rainer, the first couple of tanks are run in the car, not on the track..... I normally tighten my clutch, so there is nothing spinning, exept for the flywheel...
Understood.
Last two engines I broke in (TZ & STI) were 5 tanks WOT on the stand, 5 rich tanks on the track and then I started race tuning it. I'm very happy with the results. Prior to that, I broke in a CRF and you don't use a WOT break-in method for that engine.