Miata Mailing List: March 1993, Message #116
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   From: (none)
Subject: Re: Oil Pressure Problems
   Date: (none)

I took a look at my gauge this morning after a good highway sprint.

It read about 20 at idle.  It came past 60 though during acceleration.
I think it's always been this way.

I've always used synthetic oil(changed every 6-7k) and have used Slick50 
once (but probably never again after all that I've heard about oil additives.)

Mark


> From: Herb Samuels 
> Subject: Re: Oil Pressure Problems
> Date: 	Tue, 30 Mar 1993 08:06:13 -0500
> 
> I would second a recent post concerning the normal oil pressure after
> warm up.  I've had my Miata since Sept 1989 and have had either 10-40
> or 10-30 oil replaced every three thousand miles.  After a warm up
> (highway driving for 15 minutes for example) I have always noticed
> that the oil pressure at idle (about 800 rpm) is between 0 and 30
> (i.e. 15-20).  I wonder if others have also noticed this.  It's
> possible that the real pressure may be somewhat higher but the gauge
> is not accurate at or near idle.
> 
> Herb Samuels