That's another good argument for having a means of pressure relief at
either the block or the valve cover.
-Dana-

John Patton wrote:
>
> Hi Maynard,
>
> Diesels produce considerably more crankcase blow-by gases than the gas motor.
> The turbo oil should drain BELOW the crankcase oil level. If it drained above,
> the blow-by gases would enter the drain tube and become a counter-force to the
> normal turbo oil flow.
>
> Regards,       John