That looks like a really fast course. I only saw one slalom, everything else looked like gradual sweepers.
That's a course I'd be floored out and holding most of the time. I couldn't hear the RPM's over the music, but it sounded kinda like you were feathering gas.
I don't know how long you've been autocrossing, but that was my problem when I first started. My instructor (2nd place in CSPL Nationals this year) really ground into me that in autocross, either you are full throttle or full brakes. Once I started thinking like that, my times improved dramatically. But I'm not perfect, nor an expert. I can still improve.
Our local courses are tight with many slaloms and chicago boxes. So it's on the gas 5 seconds, then slam the brakes (but not too hard, or you'll flat spot your tires), back on the gas, slam the brakes......
RGL Motorsports #129
1981 Coupe - Under Construction = C Prepared build