What is a 454 CID engine?

The Chevrolet 454-cubic-inch, or 7.4-liter, V-8 engine was a brawny gas-guzzling powerplant that should have died an ignoble death after the 1973 fuel crisis. Yet it survived to become a workhorse and father of the 8.1-liter 8100 Vortec V-8. Its uniqueness was in its versatility.

How much HP does a 454 have?

Surprisingly, the 454 laid down an impressive 330 horsepower and 475 pound-feet of torque. Naturally, the truck-based 454s were tuned for torque, so having nearly 500 pound-feet wasn’t a big surprise. But like any stock engine, there was tons of power left to be squeezed out.

Is the 454 a good motor?

The 454 big block is a very good engine to go with if you are looking for something that can output a lot of power, and fit in a lot of classic cars and trucks. This is a classic engine from Chevrolet and stock it makes great power from the factory, if you upgrade it you can get even more out of it.

How much horsepower does a 454 crate motor have?

438 horsepower
The 454 HO offers tremendous value in a big block crate engine. Based on the GenVI block, this 438 horsepower iron head engine is a great choice for that muscle car in the garage.

What year is a Gen 5 454?

Gen 5: General Motors made substantial revisions to the Mark IV engine, and the result was christened “Gen 5” when it was released for the 1991 model year as a 454.

Is the 454 a big block?

Big torque on a budget Chevrolet Performance’s 454 HO crate engine is a Big-Block bargain – an affordable engine with performance specs that will make you think it’s 1970 all over again.

What can you bore a 454 to?

If there is no visible core shift in the lifter bosses, many 454-based engines are bored to +. 100-inch (yielding a bore size of 4.350 inches), and some brave souls have gone as far as +.

Is a 454 A big-block?

Chevy production big-blocks range from 348-ci to 454-ci in passenger cars, but have also been offered in other displacements for different applications. The big-block Chevrolet was introduced in 1958 and was primarily designed for larger passenger cars and light trucks.

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 much HP does a Gen 6 454 have?

Equipped with carburetion and long-tube headers, the junkyard Gen VI 454 produced peak numbers of 378 hp at 4,700 rpm and 482 lb-ft of torque at 3,500 rpm. Obviously designed with low-speed torque production in mind, the 454 offered over 450 lb-ft from 2,500 rpm to 4,300 rpm.

What does 454 stand for?

Angel number 454 also stands for desire. This number tells you that the angels are aware of the desires of your heart. They are willing to help you achieve your fantasy.

What is the first year 454 engine?

The Chevrolet 454 engine was a part of the 2nd generation of Chevrolet big block engines. The first generation of Chevy big block engines was introduced in 1958 , with the 2nd generation being introduced for production vehicles in beginning in 1965. The introduction of the 454 engine did not actually begin until 1970.

What are the specifications for a Chevy 454 engine?

Chevrolet 454 Engine Specs Proud Member of the Big Block Family. As mentioned, the Chevy 454 first became available as part of the 2nd generation of Chevy big block engines in 1970. 454 Big Block Performance Specs. The original LS5 engine was introduced with 390 hp and 500 lb-ft of torque, while the LS6 was rated at 450 hp. Head and Block Construction.

What is the torque on a 454 LS6?

The high-performance LS6 454 equipped with a four-barrel carb had an 11.25-to-1 compression ratio and wielded 450 horsepower and 500 foot-pounds of torque in the 1970 Chevelles and Camaros. Chevy slightly detuned the 1971 version to generate 425 horsepower and 475 foot-pounds of torque. The automaker ceased production of the LS6 after 1971.