The “30” part of 5W30 and 10W30 is the high temperature range, and they are the same. The “5” part means the oil will flow more easily at low temperatures, which is a good thing. You have nothing to worry about.
The “30” part of 5W30 and 10W30 is the high temperature range, and they are the same. The “5” part means the oil will flow more easily at low temperatures, which is a good thing. You have nothing to worry about.