Not Ranked
The original Shelby brochures I have list the S/C cars as having a single Holley 4 barrel with center pivot float bowls. The brochure for the "Cobra 427" with the 428 engine listed "one Ford 4-bbl". The books I have are inconsistent regarding the 2-4 barrel setup, but one states that the "roadgoing 427's", which I take to mean the street cars with 427 engines, had 2 carbs. So I'm glad I could clear that up! (Every original 428 car I have seen actually has a single Holley four barrel on it.
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