Why worry about it. I think I lost one or both years ago. Who cares.
Oh may be that's why my car uses oil, and has tranny issues. Worry about the important things.
225,000miles 5/2012 ej257 short block, 8/2011 installed VF52 turbo, @20.8psi, 280whp, 300ftlbs. CHECK your oil, these cars use it.
Engine Build - Click Here