I going to change the oil on my dad's 03 Accord 2.4-4cyl which calls for 5W20. Unfortunately, there doesn't seem to be any full synth 5W20 available in Canada to my knowledge. Mobil 1 0W20 is not available here, and I don't see anything from any of the other manufacturers
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Should I just go with a thin 5W30 like Mobil 1, or does someone know where I can get some 5W20 full synth?

Should I just go with a thin 5W30 like Mobil 1, or does someone know where I can get some 5W20 full synth?