M mrscowtown New member Oct 6, 2010 #1 I have to change out my oil in a used car I just bought but I can't figure out what type of synthetic oil I should be using. 5W30? 10W30? Anyone know?
I have to change out my oil in a used car I just bought but I can't figure out what type of synthetic oil I should be using. 5W30? 10W30? Anyone know?