I don't want to rekindle the flames about 5W-thin. I just wonder if there is a middle ground.
What's you take about using this oil when the weather is cold, and switching to W30 for the summer? Or do you believe that it will prove to be inadequate even when an engine is well-cooled?
What's you take about using this oil when the weather is cold, and switching to W30 for the summer? Or do you believe that it will prove to be inadequate even when an engine is well-cooled?