GRBL Settings and Bad Number Format

I have a Routy- type build going on, I've recently moved and not worked on it for a while. Before the move I was having trouble with the actual machine output being much larger than what it should be. Now I'm working on it again and I'm wondering if someone would take a look at my settings and point out anything that might be way off. I don't remember if I was messing with them aimlessly before packing up.

$0=3 (step pulse, usec)
$1=255 (step idle delay, msec)
$2=0 (step port invert...

GRBL Settings and Bad Number Format