[suicideneil]

The MMpro is only intended for 1/8 buggies remember though- if it fries in the flux Castle wont warrenty it as its being used out of spec; the MMM and a 1900kv XL motor wouod be a better choice for 4s lipo, geared for no more than 35mph tops really ( I cooked 2 of those motors with very little effort and reasonable gearing ). If you're after saving money, look into the hobbywing 150amp esc combos- cheaper than the MMM systems and pretty much as good.

Lots of people used to run MMs and ubecs on 4s lipo in maxxes that is true; given the mmpro is a 6s esc, what about a ~1400-1600kv motor and 6s lipo instead- it;ll put less strain on the esc, run cooler and be more efficient to boot...