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hello; EFI has the ability to vary the fuel flow injected into the engine but thats not impossible to do to a carburetor either so that leaves the difference in atomization and EFI has small drops but you can do that in a carby too so that leaves the short distance of fuel engagement by injector placement designs and that may reduce the wet flow distance but that also is reducing the heat vaporization distance so all that results in is a different tune strategy. So overall i havent found any benefits for EFI that cant be done on a carburetor. For the times i have removed fuel inection and fitted carburetors I have increased power of the engine and decreased heat loss and improved efficiency. That is my practical experiences. I realise there is a lot more compexities than this but I think both systems have very deserved placements in aspects of engine performance and either needs to be considered with open mind as to applicability. I have even setup an engine with a carburetor and fuel injection in dual operation. That worked very well.
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