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Using 5W-40 on Z's with no oil cooler

Going to W40 will not solve heat issue. Need oil cooler. W40 will just remain more viscous over 30 for a bit longer until it gets too hot and breaks

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		Nissan 370Z Forum > Nissan 370Z Tech Area > Engine & Drivetrain
Using 5W-40 on Z's with no oil cooler

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05-17-2021, 04:55 PM	#1 (permalink)
ZoomZ Track Member Join Date: Jan 2017 Location: Vancouver, BC Posts: 803 Drives: 17' 370Z Nismo Rep Power: 40656	Going to W40 will not solve heat issue. Need oil cooler. W40 will just remain more viscous over 30 for a bit longer until it gets too hot and breaks down as well. I know it can get hot in the South of France, but looking at historical data, July and Aug 2020 never went past 30c. 5W30 should take you way past 40c for a DD and spirited weekends, Specially if its a quality "true" synthetic oil. I'm sure Motul and Liqui-moly are available in France. brainrain likes this. Last edited by ZoomZ; 05-17-2021 at 05:07 PM.

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