Bob Ayers
North Carolina Chapter member
If I'm not mistaken, Scamsoil had an oil product that was labeled CJ4, to lead you to believe that it was certified to the new CJ4 API standard, which it wasn't!!. Jeff, or Ryan, do you remember this? I just checked, and they no longer offer an oil product called "CJ4".
I also noticed that Scamsoil doesn't have a recommended oil for the 6.4L diesel:
I also noticed that Scamsoil doesn't have a recommended oil for the 6.4L diesel: