In a message dated 5/21/05 2:10:20 PM, jbange@GMAIL.COM writes:

<< 7-8psi at idle, 14-15psi at highway speed on the 10W30 the PO sold it
with, and 9-10psi at idle, 18-20psi highway just by going to Mobil 1 15W50. >>

Some oils maintain their grade better than others, but when an engine needs
new main bearings, it needs new main bearings.  If I saw 7-10 psi of oil
pressure in a running engine, I would hesitate to go to the end of the driveway.

By the way, isn't the oil pressure switch setpoint 0.9 Bar?

George