I dont know dude, i just did a lot of research on forums and performance shops and mostly of them use 15w50 mobil1 on rb25 motors so i stick with it.. whats the advantage and disadvantage of it?
I dont know dude, i just did a lot of research on forums and performance shops and mostly of them use 15w50 mobil1 on rb25 motors so i stick with it.. whats the advantage and disadvantage of it?