3.6L Oil Pressure - Jeep Wrangler Forum

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Old 07-21-2013, 03:01 AM   #1
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3.6L Oil Pressure

I was curious about the oil pressure range on the 3.6L motor and found the following:

Before reaching operating temps .. Approx 195 degrees:

80-90 psi at idle.. upward to ~2500 rpm

After reaching coolant temps of 195 degrees:

30 psi at idle... 40 psi at 2000 rpm

My big 562 Hemi had a hi-flow pump and would idle at 80 psi before reaching operating temperature then would drop to 60 psi. I was surprised to see the 3.6 with this much oil pressure before reaching operating temps.

Be assured you're getting good pressure at start up... stone cold and when slightly warm.

.

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2013 Wrangler JKUR10A 3.6L DOHC - MDH 032515
:: 2015 KTM 500 EXC 510cc - CLEAN suspension
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:: 1991 Cherokee Laredo 4.0L HO - resto in-process
:: 2010 Cherokee SRT8 6.1L Hemi - sold
:: 1965 Plymouth Sedan 562ci Hemi - sold
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