Thread: Oil pressure?
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Old 06-12-2025, 03:34 PM   #4
VaporPressure
 
Drives: '18 ZL1 1LE
Join Date: Sep 2021
Location: St Louis
Posts: 86
This is my data for sessions at 2 different tracks in a '18 ZLE with an updated (but still OEM) oil pump. 15W-50 oil. Oil temps are 265-275.



Oil pressure is plotted against RPM, excluding in and out laps. I'm mostly 35-55 psi with a trend toward higher pressures at higher RPMs. Plenty of pressures up into the 60s and 70s though. Not sure if the difference in SS vs ZL1 explains that or not.
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