When was the 454 discontinued?
When was the 454 discontinued?
From 1991 the 454 was updated to the new Gen V block, crankshaft and heads. This engine was rated at 230 net hp, 380 ft lbs net torque, and was discontinued after 1995, GM coming out with the Vortec 7400 in 1996.
What are 454 engines?
In 1996, the 454 got a full makeover and was now known as the “Vortec 7400” and got a power boost to 290. It continued in this present form until the end of 2000, where it was superceded by an all-new “Vortec 8100” (496 cid), which still continues today.
How much horsepower does a 454 big block 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.
Why is it called a 454?
The Chevrolet 454 V8 originated in 1970, it evolved from the famous 427 and its improvements allowed versatile usage. The 454 originated in 1970, a versatile engine that would be used in automotive and marine applications.
What cars came with a 454?
The Chevrolet 454 originally came stock in these passenger vehicles:
- 1970–1976 Chevrolet Caprice.
- 1970–1975 Chevrolet Chevelle.
- 1970–1975 Chevrolet Monte Carlo.
- 1970–1975 Chevrolet El Camino.
- 1971–1972 GMC Sprint.
- 1970–1974 Chevrolet Corvette.
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.
What years was the 454 made?
Chevy launched the Mark IV V-8s in 1965, but the 454 didn’t arrive until 1970. And its timing couldn’t have been worse. The 454 wielded massive horsepower and torque for two years before General Motors detuned its engines beginning in 1972 to accommodate stricter federal emissions and safety standards.
How can I make my 454 faster?
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.
Is a Chevy 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.
Can you stroke 454?
Take a 454, add a 4.250-inch stroke crank along with some 6.385-inch rods and your displacement shoots up to 489 cubes. By the time you recondition your rods, grind your crank and possibly add new pistons, you’re just a few bucks away from buying a brand new stroker kit.
What cars have a 454 engine?
The Chevy 454 engine is one of the most storied engines ever manufactured by an American car company. The Chevrolet 454 big block engine was introduced in 1970 and has went through various changes and revisions.
What is the horsepower rating of a 454 engine?
The Chevrolet 454 with V8 engine (81-86 models) has a 230 horsepower rating and 360 foot-pounds of torque.
What are some 454 Chevy engine common problems?
Air Intake. A clogged air filter or intake tube can severely reduce the amount of air that gets to the 454’s engine.
How much horsepower does a Chevy 454 motor have?
The Chevrolet 454-cubic-inch V-8 engine debuted near the end of the muscle car era in 1970. At its peak, the 454 was developing 450 horsepower in the Camaro and Chevelle passenger cars. By 1974, however, government-mandated smog requirements killed the muscle car as the 454’s horsepower rating dipped to 235 .
