I am new to this forum and need to clarify a few things about 2011 Forester. I just read somewhere that the engine in the 2011 Subaru Forester has gone from a single belt-driven OHC to double chain-driven OHC. Can anyone confirm this and shed some light on 2011 Forester? Is it a completely new engine or a derivative of an engine that has been around for awhile? All your inputs are warmly welcome.