bought a b4 stealth factory

[cigbunt]

Hi all.

i just bought a b4 factory stealth (off fle bay) with the aim of racing it.... i was going to buy a b4.1 rtr but i put a last min bid and won...


few things i need help with are...

is it a good buy lol

is there muhc difference between the b4 factory and the b4.1 rtr???

also could i get some help on a ESC/Motor combo..