Hollis posted the Motor article, "The GF-6A standard is a backward-compatible standard for SAE 0W-20, SAE 5W-20, SAE 0W-30, SAE 5W-30, and SAE 10W-30..."

I will have to look at the data sheets as I cannot wrap my head around 10W30 and 0W20 being compatible w... Login to read more.