feigao 9l VS stock titans???

[rootar]

if your gonna run 4s look for a 10L, and yea it will have alot more power than stock but to get a big ole emaxx going you need alot of motor and the higher you gear the harder it is on it.....the 9L is gonna fly to top speed 2 or 3 times as fast from zero to full speed as stock, but to keep temps and all in check youll need to gear it kinda low (30-33 like james said)

also the 9l on 4s will be pushing 40k rpms most feiagos dont like to go this fast (normally you try and keep the max rpm around 32k or less)