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Old 05-21-2013, 04:19 PM   #1
WankelsRevenge
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Default Oil pressure at idle?

While driving my car the other day I was stopped at a red light and noticed my oil pressure seemed to be really low, like right below the 30 mark. Once I started moving again and had it a little higher in the RPM range it seemed like it picked right up. Does anyone know what the oil pressure should be at idle? Im running a mostly stock setup so none of my mods should make a difference Im thinking.






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Old 05-21-2013, 04:26 PM   #2
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25-40 is ok for idle, it all depends on what weight oil you're running. Also I wouldn't trust the stock Mazda oil pressure sending unit, it's known to fail.
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Old 05-22-2013, 08:15 PM   #3
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25-40 is ok for idle, it all depends on what weight oil you're running. Also I wouldn't trust the stock Mazda oil pressure sending unit, it's known to fail.
Truth.
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Old 05-22-2013, 10:01 PM   #4
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Yeah, that.... unless it's a quality aftermkt piece, I wouldn't put faith in the stock unit after so manyyears....
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Old 05-23-2013, 05:18 PM   #5
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After reading all this I think Im gonna get an aftermarket gauge here soon. Luckily a guy I work with is parting out one of his race cars so Im gonna try and scoop some of his gauges.
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Old 05-23-2013, 05:55 PM   #6
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I would agree a good aftermarket gauge will help. That said, my stock gauge ('86) is pretty much dead on with my aftermarket gauge.
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