Initial timing

I find I tend to advance a little too much. Get it sounding good, turn it off, and then it fights to fire back up. Back it off a little bit and all is well. My Jeep is advanced off of the timing marks, and it loves it. I use the light to guesstimate the mark. Nice and steady ~20* btdc. Wasn't sure about it at first, but it does not like being timed "right".