wish the other 5 novaks I've thrown in the garbage would of done that.
Tekin on the other hand is good just high priced the new one's are top notch and I've never dealt with gm so I can't say. I just know that depending on what your doing cheap circuitry or not the dtx esc's in my fleet have never left me stranded. Also I have a few friends and relatives running them that could vouch. If you have the monry though I would def go with a new tekin g11 or equiv