1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

Oil Pressure

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Old 11-22-02, 05:31 PM
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Yo C/O

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Oil Pressure

I was wondering if it is normal for the oil pressure to drop at idle and increase when the rpms go up. I believe it runs about 60 when the car moving but when I come to a stop it seems to drop to about 40ish. The motor, 85 12a, was rebuilt by KDR and only has 500 miles on it. Thanks, Vic
Old 11-22-02, 05:38 PM
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60 @ about 3000 RPM is normal
should be ~30 at idle, that's normal too

you can't really trust these readings, the oil pressure sending unit on these cars is grossly inaccurate, mine is all over the place, so i ignore it. i get about 60 while cruising and sometimes it drops to almost zero at idle, but the car is fine.

Right on.
Old 11-22-02, 06:52 PM
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Re: Oil Pressure

Originally posted by vicsrx-7
I was wondering if it is normal for the oil pressure to drop at idle and increase when the rpms go up. I believe it runs about 60 when the car moving but when I come to a stop it seems to drop to about 40ish. The motor, 85 12a, was rebuilt by KDR and only has 500 miles on it. Thanks, Vic
All cars do this, whether is be a Mazda or a Yugo. Your pressure seems great.
Old 11-22-02, 08:48 PM
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Yo C/O

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