New member with need for advice
5w-20 is recommended in America
5w-30 is recommended in Australia
Take your pick.
Contrary to popular belief switching to full synthetic at anytime is fine for the car. If you develop leaks they were there to begin with, the conventional oil was just masking it.
Synthetic oil also has better protection for engines at high rpms, but since these motors only rev to ~6000 you can get away with either one. Most of us who use full synthetic aren't drag racers and don't "need" it. We just like the extra protection and the extended oil change schedule that it offers.
I personally use a 5w-30 full synthetic (high mileage doesn't hurt) in the summer months, and a 5w-20 full synthetic in the winter months.
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