Bit more of a time-save, not much, and it has also come to my understanding that trying to save more time using a one-wheel grass-slide is actually not easy, as you'll be getting a checkpoint approach that goes too inside and will immediately lose it's lead from this way. I don't exactly know though, I'll keep experimenting with it a bit more and see if I can get a faster and sharper turn while maintaining speed, likely won't happen though.
I Forgot to save the .58 replay so there's sadly no comparison :(