How many MPG does a 454 big-block get?
The 454 is a big-block carbureted engine found in most older model Chevrolet cars and trucks. The engine uses eight cylinders to provide high-end torque and speeds. The combination of larger bore and eight cylinders equates to very poor gas mileage. The engine runs an average of 10 to 15 mpg.
How can I make my 454 more fuel efficient?
How to Increase Gas Mileage on a Chevy 454 Eng
- Replace your current air filter with a high-flow dry or oiled air filter.
- Remove your spark plugs using a spark plug socket wrench.
- Adjust your idle speed to the lowest setting.
- Tune up your vehicle.
- Maintain the proper tire pressure in your vehicle.
Is 7.4 l per 100km good?
The generally accepted standard has risen from a consumption of around 8.1 to 7.1 litres per 100km (35-40mpg) in the past to more like 5.6 to 5.1 litres (50-55mpg). As a rule of thumb, vehicles listed at less than 6.0 litres/100km are considered to have ‘good’ MPG.
How many gallons of gas does a 1970 Chevelle hold?
20 gallon
It has a 20 gallon (76 liters) capacity tank. It comes with a filler neck, the fuel tank sending unit lock ring and O-ring. The lock ring has a 1-3/4 inch gauge hole diameter.
How much horsepower can a 454 make?
In other words, a 454 can handle almost 600 HP (454 x 1.16). 3 = 590. There are many who do indeed. A 496 with the same multiplier is capable of achieving 645 horsepower.
Are 454 good engines?
You can use the 454 big block if you want high power output and the vehicle is capable of performing on a wide variety of surface types. This Chevy engine with more than 40K miles has an exceptional performance out of the factory, and it can be tuned to produce even more power.
How far can you bore out a 454?
They can safely be bored to 4.500 inches, which, even with the stock 454/502’s 4-inch-stroke crank, yields a displacement of 509 ci.
How many gallons is a Chevelle gas tank?
It has a 20 gallon (76 liters) capacity tank. It comes with an 11-7/8 inch filler neck, two vent pipes, the fuel tank sending unit lock ring and O-ring.
What is a 454 engine worth?
How Much Does A Chevy 454 Cost? It is quite easy to find cheap ones for $2500 to $3500 to go up to high performance, and depending on what you are looking for and how long you want them, the $50,000+ range is easily within your grasp. The average 454 needs a complete rebuild from a scrap yard to run properly again.