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How many MPG does a 350 small block get?

The 350 small block engine, a classic American V8 powerplant, is known for its impressive performance capabilities. However, one of the key questions many car enthusiasts have is: how many miles per gallon (MPG) can a 350 small block engine achieve? The answer depends on various factors, but generally, a well-tuned 350 small block can deliver respectable fuel efficiency for a high-performance engine.


Factors Affecting 350 Small Block Fuel Efficiency


The fuel efficiency of a 350 small block engine can vary depending on several factors, including the vehicle's weight, aerodynamics, driving conditions, and the engine's specific tuning and modifications. Additionally, the type of fuel used, driving habits, and maintenance of the engine and vehicle can all impact the MPG achieved.


Typical MPG Ranges for 350 Small Block Engines


In general, a well-maintained 350 small block engine in a standard passenger vehicle can achieve 15 to 20 MPG in city driving and 18 to 25 MPG on the highway. However, these numbers can vary significantly depending on the specific vehicle, driving conditions, and engine modifications.


Improving 350 Small Block Fuel Efficiency



  • Optimize engine tuning and timing for better fuel efficiency

  • Install a high-quality exhaust system to reduce backpressure

  • Use lightweight, high-performance components to reduce overall vehicle weight

  • Maintain proper tire pressure and wheel alignment for improved aerodynamics

  • Adopt fuel-efficient driving habits, such as smooth acceleration and braking


By implementing these strategies, owners of vehicles with 350 small block engines can potentially achieve even higher fuel efficiency, potentially reaching the upper end of the typical MPG range or beyond.

How to get better gas mileage out of a Chevy 350?


The things you can do are the same things you'd do to any vehicle to maximize fuel mileage: make sure the tires are inflated to spec, make sure your air filter is clean, replace the spark plugs with OEM parts, put a bottle of Techron in the tank to keep your injector nozzles clean.



How many miles per gallon does a 350 small block get?


When the care is driven easy not stomping on the pedal the car will get 15-16 miles around town and on the highway she will gets between 21-22 miles cruising at 70-75 mph. One time on a trip from NY to Rhode Island with 3 passangers the car got 23 1/2 miles to the gallon.



How much HP does a 5.7 have?


The 5.7 Hemi is a popular V8 engine that is used in many vehicles manufactured by Dodge and Chrysler. The 5.7 Hemi is known for its impressive power and torque output, and for the 2021 model year, it has an output of up to 395 horsepower and 410 lb-ft of torque.



Do V8 get good gas mileage?


The main difference between a V6 engine and a V8 engine is the total cylinders in the engine for fuel intake. A V6 engine has six cylinders, while a V8 engine has eight cylinders. V6 engines typically have better fuel economy than a V8, while V8 engines generally have more power than V6 engines.



How many miles per gallon does a 5.7 L engine get?


5.7L HEMI V8 Engine. Fuel Efficiency (4X2): 15 mpg city/22 mpg highway. Fuel Efficiency (4X4): 15 mpg city/21 mpg highway. 5.7L HEMI V8 Engine with eTorque.



How many miles per gallon does a Ford 350 box truck get?


After trials, it has been seen that the 2022 Ford Super Duty F-350 DRW offers 15 mpg in the real world, and to make it even better, it also offers an efficient fuel economy rate. Driver assistance features such as adaptive cruise control, lane-keeping aid, and others are there to make driving safe.



Is a 5.7 L engine the same as a 350?


However, it was the 350 cu in (5.7 L) series that became the best-known Chevrolet small-block. Installed in everything from station wagons and sports cars to commercial vehicles, boats, industrial equipment, and even (in highly modified form) in aircraft, the 350 is the most widely-used small-block engine of all time.



How much HP does a 350 small block make?


The Nova's best pull was 298 hp at 5,300 rpm and a very healthy 345 lb-ft at just under 4,000 rpm. Remember, these are rear-tire numbers, so the stock Chevy short-block with our aftermarket bits is churning out well over 360 hp, and it didn't give up any street manners to do it.



Is a 350 small block a good engine?


The 350 is known for its durability and reliability, which is a significant factor for both street and race applications. Many enthusiasts report high mileages without major issues. The 350 small-block is relatively lightweight and compact, making it easier to fit into a variety of vehicles.



What Chevy gets the best mpg?


2022 Chevy Spark
The most fuel-efficient Chevy model is the 2022 Chevy Spark, which offers up to 38 highway mpg. Trailing just behind is the 2022 Malibu, which offers up to 36 highway mpg.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.