I found some GC today at my local autozone and it did in fact say made in germany. Im debating whether i should use GC or Amsoil Series 3000. I currently have a case of series 3000 but since everyone is highly talking about GC now i dont know what to do. I may use the series 3000 up then when its time for some new oil get some GC if they still have it. What would you do? I have a Toyota Tacoma V6 with 55K. Thanks.