Originally Posted by rootar (Post 282217)

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)

Originally Posted by rootar (Post 282325)

top not having a 35+ mph topspeed isnt gonna take anything away from your truck....i mean what are you gonna hit with an emaxx over 30mph? the insane acceleration and wheelies is what makes it so fun to me my trucks might hit topspeed once while bashing..... thats it.