Please be aware that the EFI units used on the L series engines are analog and not digital.
Also the use of an AFM instead of a MAS creates a restriction.
I have yet to see an instance of a modern EFI system properly tuned NOT providing more hp, torque, driveability and gas mileage throughout the entire power range vs a carb setup.
In the case of high horsepower/rpm setups operating in a narrow range a carb setup can work just as well and be simpler.