I brought a set of gumballs down under 60mm when I was 15 until they became too squared and uneven to be fun to ride. They're not the best wheels for going sideways but they can. You just need to break them in by going fast and carving them hard, and then going fast when you slide (which does take a lot of commitment).
I find that the best longboard wheels to powerslide are Cult classics. They melt like butter and are super cheap. There's a guy who used to come to races in Québec that got hit by a pickup truck that went out of his lane in an hairpin turn a few years ago, it killed him and that's a sucky thing, stay safe out there.