what size turbo are you using and how much boost will you be running to start?
fuel mods on a turbo engine all depend on how much air is going into the engine. a new fuel rail and lines you wont really need, the stock pieces flow pretty well. depending on what type of fuel mods you want to use, an adjustable fuel pressure regulator could help you out a lot, as oldsman mentioned. if you're using an FMU, you'll need that walbro pump for the higher fuel pressures. if you dont plan on raising the fuel pressure above stock, the stock pump will flow enough for 10-12psi. my setup uses 4 extra injectors in addition to the 4 stock injectors. the complete stock fuel system is in place (including FPR) and there is a T fitting on the fuel feed line that leads to a fuel block, which distributes the fuel evenly to the additional injectors. i can drive around all day off boost and the car runs completely normal like stock. as soon as i hit boost, the extra injectors flow the extra fuel.
there's a few different kinds of setups you can. make sure you do a lot of reading and learning before you tear apart your car. any questions feel free to ask anytime
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