smorgasbord
Active Member
I also do my first fluid change (including gearbox oil) early just because of concern that some manufacturing contaminants can be in there at first.
Did you do that on your Leaf?
As for engine break-in, there are many schools of thought. One is the "drive it like you stole it," which purportedly helps seat the rings: http://mototuneusa.com/break_in_secrets.htm