MM temps in Traxxas Slash

[Robert]

I'm running the MM5700 in the new traxxas slash. I have a 15t pinion and the stock spur. I belive it's an 86 48pitch. My temps are about 170 With some light bashing in the dirt and a few speed runs on pavement. I was running a 7 cell gp3300. This seems to hot for me. I want to run a 3s lipo but now I'm scared I'm just going to fry the ESC. Does this seem right or do I have an issue with the new ESC? I've seen several posts with people running lower temps than I and I certainly didn't bash it hard yet. Is the 3s going to make it even hotter? Should I get a fan? I was really expecting more from this system.