Miata Mailing List: April 1993, Message #21
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   From: (none)
Subject: OIL PRESSURE
   Date: (none)

With the recent discussions regarding oil pressure, I thought I would
check my 1990 with 26,000 miles.  Using Castrol 20-50, ambient air
temperature of 78 degrees (eat your heart out, northerners) and a
thouroughly warmed engine at approximately 850 RPM idle, my gauge reads
just slightly below 30 PSI.

By the way, I change oil every 3,000 miles and haven't heard the
catalitic converter bracket buzz or rattle.

John Driver