Originally Posted by dutd33
I live in moderate temperatures, so no extremes. I guess my real question would be is it OK if I'm going to use conventional oil and not the Motocraft Synthetic Blend or full synthetic. My odometer is still reading 755 kms. Should I just bring it to the dealership and do a full synthetic?
I would not drop below what the manufacturer used from the factory - since they used semi-synthetic, use at least semi-synthetic.