No rudeness intended to anyone, but these oil questions leave me shaking my head!!!!!

The manual is very clear, it specifies whether to use synthetic or not, when to change to full synthetic (if desired), what ratios to use, and how much the "break in" should take.

Again, cambo, NOT picking on you, just commenting on something I don't understand. Sure, there are lots of folks who have "their preferences" for THEIR experience, but those do not make those specifics "gospel".

Follow the DL instructions.

Oh, yeah.

Use Pennzoil Air-Cooled, too....