E4OD, there are many using the Mercon V but also there are many complaints about shifting problems and stuttering. I was planning on something like Amsoil signature series ATF 7.5 cst@100, 38.5 cst@40 or Amsoil torque drive 7.6 cst@100, 37.1 cst@40. Those, however, come out more along the lines...