Nope. 0w-20 will flow a little faster at startup, but 0w-20, 5w-20, 5w-30 are fine. The first ~60k of my old 13’s life in central Florida was spent using exclusively 0w-20. Mind if I ask why you’d like 5w-20? I prefer 0w-20 myself when it’s called for, but folks usually whole hog and go 5w-30 if...