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Thank you. I noticed that the 3.5 Nissan is an engine that has been around for over 20 years and was on Wards top 10 engines for 10 years, but they all had 10w30. I also read an article that said one reason that engines aren’t lasting as long is due to thinner oil used to pass EPA regulations...

Thank you!

I have a 2023 Nissan Pathfinder with a 3.5 liter engine. It calls for 5W-20, however I noticed the prior 3.5 liter engines called for 10w30 or 10w40. I know manufacturers use lighter oil for fuel economy, but is that protecting my engine enough. Should I use be using a 10w30? Thank you Rob