Gday from down under. I have a landcruiser fja300r with an f33a-ftv motor. it's a 3.3 v6 turbo. OEM specifies 0w-20 c3, though they do concede a 30 weight can be used in high load applications. I've replaced the sump on my vehicle with one 25% larger, it's about eight litres. I primarily use...