04-20-2022, 09:20 PM
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#10 (permalink)
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A True Z Fanatic
Join Date: Aug 2018
Location: Chicagoland
Age: 38
Posts: 5,261
Drives: A Garage Queen
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Quote:
Originally Posted by Averying
Changed out the Mobil 1 5w-30 for Redline 5w-30. Also changed from a larger filter (what you’d use on a Nissan v8) to OEM size Fram oil filter. Oil pressure at 180° used to be ~35 psi but now I’m seeing 40-45psi. Could this be that Redline thins out less as it heats up, causing the higher pressure reading? Did I get an unusually restrictive filter? This is probably nothing to worry about, but hey figured I’d ask around.
FYI, my pressure sensor is located pre oil cooler AND pre oil filter.
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Smaller filter, higher pressure. One of the reasons Nissan did away with oil pressure gauge in the 370Z was people going into dealerships under warranty thinking they blew gallery gaskets with low pressure when Joe Lubejob slapped a bigger or different filter on or swapped out for thin-mint oil
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