EFI because you can accurately meter fuel and air. MUCH more precise, much better driveability, plus better atomization. Ever notice how much more often you have to change plugs on a carbed engine than an EFI? Same for upper cylinder wear.
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Capri306, Moderator, The Mustang Works Online
1979 Mercury Capri, 5.0L -- C4 -- 2.73
1987 Mustang LX Notch 