Rtek 1.7 question
 

Hey, I was wondering since the secondary injectors are suppose to be *720's would 680cc injectors from the fb work? I don't really want to use my safcII to turn down the fuel. Which would be better? I have a s5 n/a-t

I am waiting for the rtek 2.1 to come out for the tii.

From the FAQ sticky:

Can I use injectors larger than 720cc??
Injectors larger than 720s (Stage 1.7/1.8) or the presets (Stage 2) can be used but they aren't as "plug-n-play".
Never use an injector that flows LESS than the preset you are using. i.e. if you are using 550/680cc injectors, use the 550/550 preset and use the Fuel Correction Map to lean the mixture. Using the 550/720 setting can cause a lean condition and may result in engine failure. Never use less than 720cc Secondaries when running the Stage 1.7 chip.