esc and motor comparison ..please help

[shaun m]

hi , would there be a large im difference in , speed ,punch etc in the following

a nosram matrix istc speed controler , as apposed to a exceleron losi esc , bearing in mind the nosram one is a £200 speedo , im currently using a losi esc in my tamiya mo5 pro mini , but feel i could do with some more punch . but saying that it was realy good in my tamiya mo3 chassis ..

also much of a difference in a novak 17.5 motor , and a losi 17.5 motor...

cheers for any help ..
__________________