How much HP is 454?

October 2022 · 6 minute read

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.

Moreover, Which is better a 454 or 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).

How many miles will a 454 last?

Engines older than 1997 need oil with zddp. Newer engines don’t need it so most oil dosn’t have it. 454 will run 200k with the right oil.

Also How can I get more power out of my 454?
How Do I Get More Power out of a Chevy 454?

  • Improve the fuel and air intake system. The more fuel and air you are able to get into your Chevy big block engine, the more power it will be able to produce. …
  • Replace the stock exhaust system with a high-flow system. …
  • Replace the stock timing parts with ones tuned for racing.
  • How much horsepower does a 1987 454 have?

    The 454 V8 engine in 1987 produced 230 horsepower and 385 ft. -lbs. of torque. When discussing automobile engines, torque refers to the total amount of work that an engine can perform, while horsepower is how quickly it can perform that work.

    17 Related Questions Answers Found

    How many miles per gallon 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.

    How much is a Chevy 454 engine worth?

    It really depends on how much comes with the engine. If you don’t already have a big block then you need all the brackets for the alternator etc. Around here typical bare engines are in the $1000-$1500 range.

    How much does it cost to rebuild a 454 engine?

    Engine only to rebuild including no labor to remove & replace or related parts is about $3000.00 on up depending on exactly what you want, this does include the oil pump as no rebuilt engine will not include one. total job will be $6000.00 plus.

    Is the 7.4 Vortec 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.

    How much is a 454 big block worth?

    It really depends on how much comes with the engine. If you don’t already have a big block then you need all the brackets for the alternator etc. Around here typical bare engines are in the $1000-$1500 range.

    What size is a 454 bored 30 over?

    a . 030 over 454 gives you approximately 460 cubes.

    How much horsepower does a 1988 454 have?

    This 7.4-liter V-8 is configured with a 4.251-inch (108 mm) bore and 4-inch (102 mm) stroke. Horsepower output varied slightly and was application specific, but typically count on 350 hp to 400 hp, with torque slightly higher, coming in at 450 lb. -ft.

    What Gen is a 85 454?

    Chevy 396, 402, 427 and 454, 1965-1985; 454 Gen IV (Generation 4 or IV ), 454/502 Gen V (Generation | Northern Auto Parts.

    How fast is a 454 SS?

    The 1993 Chevy 454 SS could cover a quarter-mile in around 15.7 seconds, reaching speeds of 60 miles per hour in around 7.1 seconds. While the Chevy 454 SS line offered high power output, they were not the most efficient vehicles when it came to fuel consumption.

    Is a Buick 455 a big block?

    Buick big block. Buick introduced a “big block” V8 in 1967 to replace the largest displacement nailheads. It retained a 4.75 in (120.7 mm) cylinder bore spacing, and was produced in three displacements, 400, 430, and 455, through 1976.

    How do I know if my engine is 454?


    How to Identify a GM 454

  • Identify the year and model. …
  • Look for decals on the engine. …
  • Locate the engine ID number located at the front of the engine block on the passenger side. …
  • Decode the ID number. …
  • Verify the casting numbers from either the cylinder head, intake manifold or crankshaft.
  • How do I get more power out of my 454 vortec?


    How to Make a Chevy 454 Vortec More Efficient

  • Switch to a lightweight synthetic oil. …
  • Install a high flow air filter and cold air induction intake. …
  • Use a set of long-tube headers (exhaust manifolds) and an aftermarket exhaust system. …
  • Install an aftermarket windage tray in your engine.
  • Does Chevrolet still make the 454 engine?

    Aftermarket Parts & Crate Engine

    Chevy now offers the 454 HO, a crate engine that features a hydraulic roller camshaft and forged rotating assembly. It is designed with the original bore and stroke in mind (4.25″:4″).

    How many MPG does a 454 big block 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.

    How hard is it to rebuild a 454 engine?

    Rebuilding a 454 is easy, provided that you know your way around an engine. To save yourself some money, choose an engine with a solid core. If you’re going to rebuild the engine, you’d be well served to purchase a 454 maintenance manual to ensure that all of your components are torqued to factory specifications.

    How much HP does a 496 stroker have?

    GM 496 Stroker Base Engine Aluminum Heads Roller Cam HP & Torque: 575 HP / 570 FT LBS – American Powertrain.

    What is a 454 long block?

    This 7.4 liter engine is commonly known as the “454 Big Block”. In 1970 the 454 was first introduced for use in the Chevy Corvette, soon after it’s use extended to a long list of GM and Chevy applications.

    How many liters is a 572 engine?

    Chevrolet built this monstrous 572 cubic-inch, 9.4-liter engine with huge 4.560-inch bores.

    How much HP does a 7.4 Vortec have?

    The 7.4-liter, 7400 454-cubic inch engine provided the same 290 horsepower across the board for all GM products.

    Is a Chevy 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.

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