There are quite a few EFI manufacturers, installers, and designers out there who say that properly tuned EFI can increase HP over a carb due to greater precision of fuel delivery at all RPMs, and that it can increase engine life by avoiding lean conditions, etc... see this link:
http://www.chiefengines.com/efi.html
They are not the only ones making these claims, although the proof would be on a dyno...in fact we will know because my EFI WILL be tuned on a dyno...I am hoping for before and after stats !
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