Quote:
Originally Posted by tkb289
When does oil vapor from a high RPM environment become an issue? My guess is for street driving in the 1000 to 3000 RPM range, most likely it's not a problem. However, in a hard driving or racing situation where the motor is running for extended periods of time from 3000 to 6000 RPM oil vapor would be an issue, especially for a wet sump motor. |
It really isn't
oil vapor that a PCV valve is used for. Combustion gasses leak past the rings and perhaps exhaust valve guides. Some call it blow by.
At WOT there is little vacuum and much blow by. A PCV system doesn't do much good at WOT.