Originally Posted By: CourierDriver
Im using 5w40 m1 tdt now in my 318 van, does great and so did the Rotella 5w40 t 6 synthetic.
A good portion of my previous UOAs are with TDT (CI-4+ and CJ-4) ,D1 ESP (CJ-4) , and Amsoil DEO (CJ-4).
I've not tried T6 yet, though I did buy some.