EVO X Fuel Injectors?
#2
Some say that the injector size differs by a small amount. Others think that the injectors are the same. Either way, I don't think that it makes a big enough difference to make swapping them out cost effective.
#3
First question: There seems to be some debate about the difference in size. As NFS said, even if there is a difference, it is nominal at best.
Second question: If you change either the turbo or the injectors, you most definitely need a tune, and most likely a custom tune.
Second question: If you change either the turbo or the injectors, you most definitely need a tune, and most likely a custom tune.
#6
Most cars are tuned from the factory on the rich side. Especially in closed loop operation, when the moderate-WOT fuel maps are programmed on the safe side of the AFRs. Adding a larger injector (even by just a little bit) will make a rich tune even more rich.
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