How much horsepower does a 454 Chevy have?

The Horsepower of a 454 Chevy Engine
The horsepower of a 454 Chevy engine can vary depending on the specific model and year. Here are some key points to consider:
– The 454 engine was offered in various versions by Chevrolet from 1970 through 2001, and different models had different amounts of horsepower.
– In the 1970 Corvette, the original version of the 454 engine had 390 horsepower and 500 pound-feet of torque.
– The LS5 and LS6 variations of the 454 engine were the most powerful, with the LS5 producing around 360 horsepower and the LS6 delivering about 450 horsepower in 1970.
– However, it’s worth noting that there were rumors that the engines’ horsepower output was underreported by Chevrolet during the muscle car era.
– Over the years, due to factors such as stricter emissions control and the gas crisis of 1973, the horsepower of the 454 engine decreased. For example, by 1973, the LS5’s power had dwindled to about 245 horsepower.
– The final variant of the 454 engine, known as the Vortec 7400, was introduced in 1996 and offered 290 horsepower and 410 lb-ft of torque.
It’s important to keep in mind that these figures are general estimates, and the actual horsepower of a specific 454 Chevy engine can vary depending on factors such as modifications, tuning, and the specific application.
Source:
– : VehicleHistory – ‘Chevy 454 Engine: The Iconic Big Block’
– : VehicleHistory – ‘Top 10 Engines of All Time (#8): Chevrolet 454’
– : Engine Facts.com – ‘Chevy 454 Engine Guide – 7.4L V8 Specs, Problems, Performance’
-: Engine Facts.com – ‘Chevy 454 V8 Engine, Engine Specs and Horsepower’
-: Quora – ‘How much horsepower does a 454 big block have?’
– : You.com search result
-: Hot Rod – ‘How To Add 70 Percent More Power to A Chevy 454 V-8’
-: Hot Rod – ‘How to Bolt 230+ Horsepower Onto a 454ci Motorhome Big-Block’
-: Chevrolet Camaro Questions – ‘how much horsepower does a 454 big…’
-: Hot Rod – ‘Chevy Big-Block V-8 Buyers Guide’

How much HP can a Chevy 454 make?

In general, a properly tuned production automotive engine produces 1.0-1.5 hp per cubic inch. Where a particular engine falls depends on many factors, so we’ll use 1.3 hp per cubic inch as a middle figure. That means a 454 can support almost 600 hp (454 x 1.3 = 590.2).

Is a 454 better than a 350?

In a light to medium weight car, a 350 will probably offer you the happiest experience, especially in a daily driver role. In a truck, the 454 will probably feel better to your foot. In an all out performance car, the 454 will probably be more likable as long as the car is a straight line car (drag racing etc).

What’s better 396 or 454?

The 454 was a better engine for power than the 396, some feel that the 396 had a weak crank for real horsepower usage. It’s hard to outrun cubic inches, no replacement for displacement.

How much horsepower does a 454 SS big block have?

Used 1990 Chevrolet C/K 1500 Series 454SS – Specs & Features

Engine
Base engine size	7.4 L
Cylinders	V8
Base engine type	Gas
Horsepower	230 hp @ 3,600 rpm

What year 454 had the most HP?

The 1970 versions of the Chevrolet 454 were the most powerful, with the LS5 putting out around 360 horsepower and the LS6 delivering about 450 horses. The LS6 was phased out after 1971, and the LS5’s power had dwindled to about 245 horsepower by 1973 thanks to stricter emissions control.

How much HP does a supercharged 454 have?

900+ hp
SC HELLION 454
This CBM engine is Supercharged, it puts out 900+ hp @ 6800 RPM’s and 875 ft-lbs of torque using 10lbs of boost. It has a compression ratio of 9.1.

Is the Chevy 454 a good engine?

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.

Is the Chevy 7.4 a good engine?

Chevy’s 7.4L (454 ci) big-block engine was offered in many production vehicles from 1970 to 2001 and is still available today as a crate variant. Much of the engine’s popularity stems from its impressive horsepower and torque output and solid reliability.

What brand is a 454 big block?

Chevrolet Performance’s
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 is the highest horsepower 454?

In various power levels, the 454 was available in production cars and trucks from 1970 to 1976, and could be found under the hoods of Chevy trucks , Corvettes, Chevelles, Monte Carlos, and El Caminos. The most potent form, the LS6 option, came in the 1970 Chevelle SS454, with 450 hp.