SOHC OIL PRESSURE ISSUES?

ONLY for ADVANCED technical discussion about the 240sx!
dcino
Posts: 109
Joined: Wed Aug 23, 2006 10:03 am
Car: 240sx

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I'M CONCERNED WITH THE EXTREME DROP IN OIL PRESSURE AT IDLE SPEED

I KNOW THAT THIS IS COMMON AND MAYBE EVEN NORMAL ( BUT WONDER WHY THIS CONTION DOESN'T HAPPEN WITH ANY OTHER CAR I'VE OWNED)ANYONE ELSE HAVE THE SAME CONCERN OR KNOW THE ANSWER TO THIS CONCERN.ANYONE BUILDING AN OIL PUMP THAT PRODUCES MORE PRESSURE AT LOWER SPEEDS?WHAT SEENS TO BE THE AVERAGE LIFE SPAN ON THESE 89 AND 90 ENGINES?

THANKS FOR ANY INPUT YOU CAN GIVE ME


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rogoman
Posts: 848
Joined: Fri Feb 17, 2006 5:44 pm
Car: 1991 240SX FB
2012 Altima 2.5 S

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The 89 - 90 SOHC KA motors had a problem with an oil pump short life. Replace it with a new one; be sure to prime it before installing it.


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