Traxxas X-Maxx High Speed Crash on 8s KaaBoom!

Boy what a day! I Installed the castle Xl2 in the X-maxx (came from my XO-1) and decided to put the new XL-X in my XO-1 instead. The XO-1 had problems today so it was out of commission. My TC4 flipped over a manhole with a stripped diff gear. Did all day bashing with the X-Maxx on 6s and 8s prior on Saturday with no problems with temps on ESC and motor. Today I beat my previous personal best of 61 mph with a on 6s. With the XL2 esc everything seemed smoother on the truck. Today I was able to hit th