"Michael Pardee" <michaeltnull@cybertrails.com> wrote in message
news:JZydnbtffrNy41ffRVn-1Q@sedona.net...
>
> Dunno about the Passport specifically, but the standard pressure ranges
> are 6 psi or more at idle, even when hot, and 20 to 60 psi at cruise.
> Lower than 6 psi is courting engine damage, as is more than about 80 psi.

That's interesting. Idle in a diesel engine generates around 30 PSI of oil
pressure.

Brian