Originally Posted by jackfortune
Run synthetic with low OCI's, and keep your banjo bolt filter (check and replace the part if you do not a full oil service history on this vehicle)....for street use, do not use any synthetic with higher viscosity than 5W30....Mobil 1 sells a European formula 0W40 that works great in these motors and sells off the shelf in Super Walmarts....the part number for the banjo bolt/filter combination is identified in this forum....but if you can't find it with a google search, pm me with your VIN and I will run it through Subaru FAST (the parts database)...
Thanks! Exactly what I was looking for. I will call my dealer and grab a new bolt/filter, and save to buy the infamous kit. OCI will be every 5000k (a little under 3750 miles), Castrol Syntech 5w30 and bosch filters. Perfect.