I have a 2006 Spec-V that is in need of a new engine. My brother was looking at QR25DE from a 2009 Altima since it was cheap and an hour away driving. I was wondering if there would be any specific problems that would prevent us from using this engine. If so, what are they? If this engine can't be used, what engines would work? I'm assuming that only the QR25's from the B15 era would be used, but I'm not sure.