R.P.M.

iTrader: (3)

I have a streetported S4 T2 with 3" exhaust. Basically everything else is stock including the ECU. It does have a FCD.

Could I put 1000cc injectors in place of the stock secondaries? How would that run? Would it be too much fuel for the stock ECU?

eage8

iTrader: (9)

short answer: no

it would probably bog when you hit 3800 rpm. it's way too much fuel. just get a fuel computer. I would recommend an EMS if you have the money.

jm93rx7

iTrader: (7)

How about SAFC II

J-Rat

iTrader: (2)

Ummm that would be a flame thrower, if the mix would even light...

R.P.M.

iTrader: (3)

Ok, thats pretty much what I figured...

720cc's would be a better drop in choice then right?

JWteknix

iTrader: (2)

personally i have 750s i like them but am abled to control them with my rtek

eage8

iTrader: (9)

changing the injectors while still using the stock ECU is a bad idea, get a fuel computer like an SAFC or an rtek, or my preference a EMS (search for the ZEMS for a cheap, good EMS)

arghx

iTrader: (3)

honestly, 720's are fine on a stock ECU if you are running enough boost to utilize the fuel

Brody8877

iTrader: (10)

you dont need 1000cc injectors unless you are boosting over 12psi and have larger turbo. rtek or safcII with that setup will be fine.

airworks-fc3s

i agree with the others!

i had 1000cc secondaries with stock ECU too, they worked fine, but you need a SAFC to control the amount of fuel! but if you plan to stay stock turbo, 1000cc are way too big!