So, I've always gone by the book as far as which oil grade to use. At least hot. I'll tweak a 5 to a 0 and use 0w20. But that's about it. The only exception to that being A. If there's a compelling reason to change as a result of objective tests, or B. The manufacturer backspecced oil like Ford did when they switched their 5w30 vehicles to 5w20 for Cafe stuffs.
Family members wrangler is coming up on its first oil change. 2019 model with the pentastar v6.
How here's what miffs me: the thing used to be specced for 5w30 in previous model years. Now it's specced for 0w20.
My question is this: were there any changes to the engine design to accommodate 0w20 rather than 5w30? Any UOAs that indicate one is better than the other? Or are these things easy on oil and I should just stop over thinking it?
Family members wrangler is coming up on its first oil change. 2019 model with the pentastar v6.
How here's what miffs me: the thing used to be specced for 5w30 in previous model years. Now it's specced for 0w20.
My question is this: were there any changes to the engine design to accommodate 0w20 rather than 5w30? Any UOAs that indicate one is better than the other? Or are these things easy on oil and I should just stop over thinking it?