What is a 454 LS6 engine?

No production engine at the time ever had a higher factory horsepower rating. The 1970 Chevelle SS 454 LS6 model was the highest powered Chevelle manufactured in the model's lifetime, which ran from 1964 through 1977. It was the only production GM car to have a higher horsepower rating than the Corvette.

How much horsepower does a 454 LS6 have?

The 1970 LS6 454, factory rated at 450 hp, was exclusive to the Chevelle and the El Camino. It not only gave Chevrolet intermediates more power than the Corvette that year, it was the most powerful engine those cars would ever have.

What makes a Chevelle an LS6?

Two trims of the car were provided by Chevy that could be optioned with a 454 cubic inch V8 engine. The LS5 produced 360 horsepower and the LS6 smashed 450 horsepower. That kind of power earned the Chevelle SS LS6 the moniker “King of the Streets.”

How much hp does a 454 big block have?

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 is the strongest Chevy engine?

As the power behind the 2019 Corvette ZR1, the new supercharged 6.2L LT5 represents the pinnacle of Chevrolet's performance: It's the most powerful engine ever offered in a Chevy production vehicle.

Big Block LS6 454 Rebuild and DYNO!

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.

What vehicles came with LS6?

Chevrolet Suburban, Chevelle, Chevy Cobalt, Chevelle lver Chevrolet Caprice, Chevelle, Corvette, El Camino, and Monte Carlo as well as the GMC Sprint were some of the products the big block LS6 was manufactured for from 1970 to 1976.

How much horsepower can a LS6 handle?

A stock LS6 does have more power than a stock LS1. However, they can both make the same power with common upgrades. The aluminum blocks are not as strong as the iron block LQ4 and LQ9. But, they can be pushed to over 850 hp.

What year was the LS6 454?

The 1970 Chevelle SS 454 LS6 model was the highest powered Chevelle manufactured in the model's lifetime, which ran from 1964 through 1977. It was the only production GM car to have a higher horsepower rating than the Corvette.

How much does a LS6 engine cost?

The LS6 engine costs more than the LS1, probably due to its higher specs. On average, LS6 will cost$6300 while LS1 costs $4500. Depending on your dealer, you might get a better deal.

What does LS stand for?

In a car engine, LS stands for luxury sport, meaning it is majorly used in high-end cars that offer great performance like the Chevrolet. In a Chevy, the LS engine is the main V8 mainly used in General Motors' line of rear-wheel-drive cars.

Is a Big-Block an LS?

The LS6 454 big-block has been something special in the muscle car world and was considered the top dog of muscle car factory engines for a long time. Until the LS series hit its stride in the 2000s, big block Chevy engines were still the go-to platform for large displacement and high horsepower.

What is the fastest Chevelle?

1970 Chevy Chevelle 454ci LS6: 5.4 seconds.

Which LS engine is the best?

LS7: Best.

LS Engine. Ever. In a world with 650hp Camaro ZL1s, along with even more powerful Hellcats and Shelby Mustangs, it's easy to forget the influence and importance of the LS7-powered Corvette Z06.

What LS has the most horsepower?

Ultimately Bryan Neelen and his crew from LME were the winners of LS vs Coyote 2. They were able to put together a 427 cubic-inch LSX engine that produced a staggering 1,784 horsepower and 1,422 lb-ft of torque with the help of a ProCharger F-1X supercharger with a 10-rib serpentine belt.

How do I know if I have a LS6 block?

To tell the difference between the LS1 and LS6 blocks, look at where the head meets the block on the passenger side. If that little corner of block has a bullseye stamped on it, like mine does, it's an LS1. If there is no bullseye, it's an LS6.

What does LS stand for on a Chevy motor?

LS stands for “luxury sport” and is what is featured in the names of most of the base models in the Chevy lineup.

What heads came on an LS6?

The 243 heads came on the LS6 engine produced from 2001 to 2006. It was typically found in the C5 Corvette, but it was eventually ported to the LQ4 and LQ9 to meet truck specs. The latter offered 6cc larger combustion chambers to accommodate the working style vs. speed and acceleration.

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.

When did Chevy stop making the 454?

When Did Chevy Stop Making The 454? Chevy offered the last Vortec 454 as a vehicle called Vortec 7400 on July 21, 1996. Up to this point, the vehicle existed only in certain vehicles. The 454 ceased to be a production option for the company after 2001.

What transmission is good for a 454 big block?

What Transmission Is Best For A 454? In essence, this is called the 700R4 or 700R. An automatic with a four-speed, powerful design, along with a torque converter, and a powerful fourth gear.