is the chevy 454 a good engine

by Charley Leffler Published 3 years ago Updated 3 years ago

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.Mar 16, 2022

How many miles will a Chevy 454 last?

Newer engines don't need it so most oil dosn't have it. 454 will run 200k with the right oil. 454 engines have the worst reputation in early mo/hos, that why so many are parked behind the barn with a blue tarp over them.Jun 19, 2012

How many HP is a 454 engine?

The 454 EFI version was rated from 230 hp (172 kW) to 255 hp (190 kW) and from 385 lb⋅ft (522 N⋅m) to 405 lb⋅ft (549 N⋅m) of torque.

What kind of mileage does a 454 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.Aug 15, 2019

How strong is a 454 engine?

How Much Hp Does A 454 Big Block Have? In a surprising bit of engineering, it drove 330 horses and 475 pound-feet of power. Many people had no idea that 454 trucks are stock engines because their power outputs were always quite high, but there's no question there was a good deal of capacity left behind.Mar 5, 2022

What year is the best 454?

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.Jan 18, 2014

How much is a 454 big block 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.Feb 25, 2022

How can I get better gas mileage in my 454?

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.

How can I get more horsepower out of my 454?

How Do I Get More Power out of a Chevy 454?

Improve the fuel and air intake system. ...
Replace the stock exhaust system with a high-flow system. ...
Replace the stock timing parts with ones tuned for racing. ...
Bolt on a supercharger.

How much fuel does a 454 burn?

A 454 will burn about 16gph at 3000rpms more or less depending on if carb or mpi.Apr 12, 2019

Is the Chevy 7.4 a good engine?

The 1996-2000 L29 7.4L big blocks are great engines. Much more dependable and durable than the 6.5L diesel of that era. L29's had multiport sequential fuel injection, all of the latest sealing technology to prevent oil leaks and the “Vortec” style heads flowed very well.Oct 15, 2011

Is a 454 A big block?

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.

When did Chevy stop making the 454?

Chevy GM Trucks, SUVs, and Vans also came with the 454 spanning a wide date range from 1973 to 2001. However, after the year 2000, it was only found in heavy-duty trucks and RVs. Here are the trucks and SUVs you'll find the 454 in. Additionally, the Chevy 454 HO crate engine is still available from Chevy to this day.Jun 10, 2021

When was the 454 big block made?

Building on the popularity of its 427-cubic-inch engine, General Motors introduced the 454 in 1970 —one year before emissions standards were tightened and just three years before the gas crisis hit with full force.

When was the 454 engine introduced?

Is the 454 aftermarket?

Top Aftermarket Upgrades. The Chevrolet 454 remains a favorite among performance enthusiasts because of the its power output and the availability of aftermarket parts for the engine.

Who is David Fuller?

Author: David Fuller David Fuller is OnAllCylinders' managing editor. During his 20-year career in the auto industry, he has covered a variety of races, shows, and industry events and has authored articles for multiple magazines.

What was the 454 engine used for?

Unlike the popular Chevy 427 that was used in a wide variety of automobiles, the 454 was used only in high performance cars like the Chevy Camaro, Corvette and Chevelle. There were 3 different variations of the 454 that came onto the drawing board at GM during the 70s; the LS5, the LS6, and the LS7 which was designed but not produced for the general public most likely due to the massive smog restrictions that started lurking about in the early 70s. . Although the LS7 454 never made its way into any cars sold to the public, it was sold as a crate engine available through Chevrolet and claimed to produce around 500 horsepower.

How much horsepower does a 454 LS7 have?

Although the LS7 454 never made its way into any cars sold to the public, it was sold as a crate engine available through Chevrolet and claimed to produce around 500 horsepower.

What car had the most horsepower in 1970?

The 1970 production models of the 454 put out the most horsepower with the LS5 claiming 360 horsepower and the LS6 putting out a mighty 450 horsepower.

What was the name of the car that was used in the 1970s?

The muscle car wars were in full swing when Chevrolet launched the 454 V-8 in 1970. It powered the Camaro, Chevelle, El Camino and Corvette. There were multiple versions that included the LS7 aftermarket crate engine that wielded 500 horsepower.

How much horsepower does a LS5 have?

It powered the Camaro, Chevelle, El Camino and Corvette. There were multiple versions that included the LS7 aftermarket crate engine that wielded 500 horsepower. The first version, the LS5, featured a four-barrel carburetor and developed 360 horsepower for the Chevelle and 390 horsepower for the Corvette.

How big is a 454?

The 454 had a 4.25-inch bore and 4-inch stroke. The 454 was somewhat of an oddity because of Chevy's tendency to underrate the horsepower outputs to fool insurance companies who insisted on high premiums for performance cars.

What year did the 454 come out?

The 454 emerged in the 1990s carrying the same characteristics of the small-block V-8s. It received a single-piece rear main seal, four-bolt main caps, aluminum valve covers and a non-adjustable valvetrain. Yet it stood apart from other GM small- and big-block V-8s with output ranging from 305 to 450 horsepower.

Who is Rob Wagner?

Rob Wagner is a journalist with over 35 years experience reporting and editing for newspapers and magazines. His experience ranges from legal affairs reporting to covering the Middle East. He served stints as a newspaper and magazine editor in Saudi Arabia and the United Arab Emirates.

hanko

I had a 91 pace arrow I bought new. What I did to help mine was I changed the thermostat to a 180 from the 190 than came with it. I also wired the fans to a manual switch that I could control myself. I always thought it ran to hot especially climbing a big hill or idling. What I did helped.

aztec7fan

Our 1989 Southwind (454 engine, 32') made the trip from Denver to the Grand Canyon just fine last year and has been very reliable for the last 3 years we've owned it. We love the coach and don't think we need to upgrade anytime soon.

wolfe10

Actually, the formula for descending any grade is to downshift until you find a gear that will hold your speed in EQUILIBRIUM-- you are neither accelerating nor decelerating WITHOUT USING YOUR SERVICE BRAKES (brake pedal).

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