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How much mpg does a V8 454 ci 4 barrel carb?

The fuel efficiency of a vehicle depends on various factors such as the vehicle's weight, engine size, aerodynamics, and driving conditions. A V8 454 ci (Cubic Inch) 4-barrel carburetor engine is typically found in older muscle cars and trucks. While the exact MPG (Miles Per Gallon) figure can vary depending on the specific vehicle and driving conditions, here's a general estimate:

City Driving: On average, a vehicle with a V8 454 ci 4-barrel carburetor engine might achieve around 8 to 12 MPG in city driving conditions.

Highway Driving: On the highway, where speeds are generally more consistent, the MPG could improve to around 12 to 16 MPG.

Combined MPG: Considering both city and highway driving, the combined MPG of a V8 454 ci 4-barrel carburetor engine vehicle could fall somewhere between 9 to 14 MPG.

It's important to note that these MPG figures are rough estimates and can vary based on factors such as the vehicle's tune, maintenance, tire pressure, and the driver's driving style. Additionally, newer vehicles with more efficient fuel injection systems and optimized designs typically offer better fuel efficiency than older carbureted vehicles.

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