454 vs. 350- Which One Is the Better Motor?

The Chevy 350 engine, the most well-known small block V8 in General Motors’ stable, is widely regarded as one of the best engines of the twentieth century. The 350 has acquired a reputation for dependability and usage in various applications, including boats, and is highly sought after for its sturdiness, quiet operation, and performance.

GM used the 350 engine extensively throughout its portfolio until 2004 when it was phased out to favor more modern and fuel-efficient engines. The Chevrolet big-block engine began existence as an outgrowth of the renowned automaker’s muscle vehicle portfolio, with the goal of broadening the company’s horizons to include larger engines that produced greater power and torque.

This classic big-block V8 engine made its debut in 1970 as an improvement to the equally iconic Chevy 427 big-block engine. This article includes the main differences between these two engines and their features. Keenly go through the article to get a better understanding.

Features of Chevy 454 engine

Features of Chevy 454 engine

The Chevrolet big-block engine began as an evolution of the renowned automaker’s muscle vehicle portfolio, with the goal of expanding the company’s horizons into more significant engines with much more power. It first appeared in 1970 as an improvement to the equally renowned Chevrolet 427 big-block V8.

When rising gas costs and increasing fuel economy regulations combined in the mid-1970s, the Great War between American automakers for dominance in the muscle car market was practically over. It was a catastrophic blow to the legacy of the muscle car industry.

That makes it all the more astonishing that the renowned Chevy 454 big-block V8 survived to battle its way through the oil crisis and continues to live a long and robust life into the new century.

Although it was no longer available in production vehicles after 1976, it remained a mainstay of the Chevrolet and General Motors pickup truck lineups until 2001, when it was ultimately phased out of vehicle manufacture.

It was a fixture of drag cars across the country throughout its development and up until its final days under the hood of General Motors vehicles, and it continues to be so to this day. You can still acquire a 454 big-block V8 crate engine directly from Chevrolet, which only serves to confirm the company’s firmly established legacy.

You can use the 454 whether you’re looking to purchase a classic sports car, need a cheap pickup or van for towing and transporting, or want to build a high-performance engine for a race car.

How good is a 454 block engine?

How good is a 454 block engine
Source: fordcobraengines

It is highly recommended that you use the 454 big block engine if you are searching for something that can produce a lot of power while also fitting in many old automobiles and trucks. This is a classic Chevrolet engine, and while it produces plenty of energy out of the box, upgrading it will allow you to get even more power from the engine.

Because of the widespread popularity of these engines, a large number of parts are now readily available to restore or repair the 454 in its current configuration. If you are constructing a massive motor from the ground up, there are many aftermarket parts brands from which you can select components that will work with your engine.

So, if you’re searching for a new tow strap in the style of a classic Chevrolet or GM truck or SUV, one with a 454 will provide you with the torque you need to carry yourself, friends, and family, and whatever you’re towing where you need to go.

When you have a 454 in your possession, the most significant challenge is ensuring that it receives enough cooling. These engines tend to run hot, so it is good to equip them with a bigger radiator and check your coolant regularly to ensure that none is boiling away.

Furthermore, the renowned 454 engine is still roaring away beneath the hood of many trucks, vans, and Vehicles on the streets. It also paved the way for further versions of the big-block Chevrolet engine, such as the Vortex 8100.

How much horsepower does a 454 block engine have?

From 1970 until 2001, Chevrolet produced many distinct variants of the 454 engine, each with different horsepower. The first generation delivered three hundred ninety horsepower and 500 pound-feet of torque to the Corvette, which appeared in 1970. It was possible to enhance the power to 450 horsepower if you had the improved Holley carburetor while maintaining the same torque of 500 pound-feet. [Source]

After introducing a fuel-injected variant in 1987, which was used in the GM C1500, the GMC/K2500, and the C/K3500, this engine produced between 220 and 255 horsepower and 380 to 405 pounds-feet of torque. Trucks, where power was more crucial than horsepower, were better suited for this type of configuration.

These days, you can still get a 454 crate motor that produces 438 power and 500 pound-feet of torque when it is new and in its original packaging. There are engine builders who have turned the 454 to generate more than 2,000 hp for drag racing purposes, making the 454 a very powerful platform if you are looking for a big block V8 engine platform.

Check the 454 crate motor from Amazon.

Which is the best engine, between 350 and 454?

Which is the best engine, between 350 and 454

The Chevrolet 350 and 454 engines are both excellent engines set by the company, and which one is best for your car will depend mainly on how you intend to use it. The 350 is a tremendous all-around engine, while the 454 is a tremendous all-around engine for performance.

If you plan on doing any drag racing or simply driving around town to car shows, there’s nothing like a 454 for the money. Its torque is outstanding, and the engine’s noise is on an entirely different level when compared to its 350-cubic-inch predecessor. Unfortunately, the 454 is a heavy and hot engine, making it uncomfortable to travel long distances.

Whether you want a more drivable engine or something that performs better on a track with turns, the 350 is a fantastic choice. Because a 350 is considerably lighter than a 454, it would be preferable in a car used on a racetrack. Due to the reduced weight over the front of the vehicle, vehicles equipped with 350 motors typically perform better handling. The 350, on the other hand, suffers from a lack of torque comparable to a 454.

A classic American supercar would benefit from using either the 350 or 454 engine, both of which are excellent and reliable choices. As an iconic component of Chevrolet, General Motors, and automotive history, the Chevy 454 is a must-see. Although it is considered one of the least effective big-block V8s Chevrolet ever developed due to tight emissions rules and the Arab oil embargo, it continues to be seen on drag strips today.

The Chevy 350 engine specs and features

The Chevy 350 engine specs and features

There are four valves per cylinder with a bore and stroke of 4.00 and 3.48 inches, respectively, in the Chevy 350 engine. It has a displacement of 350 cubic inches (5.7 liters). Cars have horsepower ranging from roughly 145 to even more than 370, depending on their year, manufacture, and model.

This engine, which can produce up to 380 lb of torque, is excellent for towing; but it has poor fuel economy and may require premium fuel depending on the higher compression.

Initially available as a 4.3-liter engine, Chevrolet introduced the smaller V8 in 1955. The 350 cubic inch engine, utilized in cars such as the Chevy Camaro, had evolved by 1967 into a high-performance engine with a displacement of 350 cubic inches. Everything from the Chevrolet to the Caprice used it, and it was standard or optional on numerous Buick, Cadillac, and Pontiac sedans and wagons throughout the years.

The Chevrolet 350 engine became available as a fuel-injected variant in Corvettes starting in 1985; other passenger vehicles equipped with the 350 engines remained to use a four carburetor. After being made a benchmark on all Chevy 350 motors in the early 1980s, computer-controlled emissions systems and throttle body fuel injection became available.


Remember, as always, to check a vehicle’s history using our online VIN research instrument before buying used. As long as the 454 you’re buying has been properly maintained and shows no apparent indications of wear and tear, you should be able to get thousands of kilometers out without any significant concerns.

The lifespan of either of these Chevrolet engines is dependent on regular maintenance. If you frequently haul weight or tow, the 454 (7.4L) will provide more power; but if the automobile is a daily driver and you move things once in a while, the 350 would suffice.

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