RE: Traxxas Slash Stutter....
We hadfice or sixdifferent people that stepped up to lipos with their Slashes at the track over the summer, and one by one they all (save one) they all had similar stuttering issues. And all were traced back to the XL-5 not really being able to handle lipos. We're talking about a budget/$50 ESC here. Once they upgraded to BL, or a better quality ESC, the problem went away.