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EFI vs. Carburetors
Properly tuned, carburetors make more peak power than EFI in most drag racing motors. A carb’s pressure differential atomizes the gas a lot better than spraying fuel through an orifice. But EFI has a broader power band and superior cylinder-to-cylinder fuel distribution. The 1100 to 1300-cfm dual carburetors are good only over a narrow range, about 1500 rpm at most. EFI performs well over 2000 rpm plus. On average, if optimized, both systems perform about the same as far as how fast you get down the track. However, the EFI system is a lot easier to tune than a carburetor.
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