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In article
outautos.com>, "Solara" > wrote: > I watched the gauge very closely as we drove this weekend, and it > does start out getting at or near 90 psi with the engine cold, but within > 2-3 minutes as the motor warms up, the pressure begins to hang out at or > below 60 psi, and I can see the relief valve working as I run up the > RPM's. Appears the pressure climbs until about 62-65 psi, as RPM increase, > then at about 2500-2700rpm, the pressure drops back to slightly under 60 > and pretty much holds there as we drove. At idle, I have about 30 psi, > again, all on the car gauge. You've just described the normal operation of a healthy Miata engine with a real oil pressure gauge. Stop worrying. -- Lanny Chambers, St. Louis, USA '94C the alignment page: http://www.hummingbirds.net/alignment.html |
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