I'd like to see you make another pass with your previous tires, it might just be that.
As far as the front end travel, you'll just have to test it. I know people are telling you that you need less travel when making more power but I don't know if you're at that power level yet. When I tried limiting travel on my 9.80's Dart with ladder bars, it didn't like it.

Here's a still shot I captured from your facebook video that I brightened up a little.