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They say that the minimum oil pressure at idle (600) rpm on that engine is 13 pounds. I have the same engine in my cj5, and it has 60 at idle on start up, and only 4 pounds at idle when hot. It still runs good though. It has 276,000 miles. Those motors are bullet proof!

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Q: What is normal oil pressure for 79 cj5 258?
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