Chevy 454 Engine Specs By Year

Chevy 454 Engine Specs

If you’re Looking for Chevy 454 Engine Specs, Performance, Cylinder Heads, Cam Specs, and More, You’ve come to the Right place. Our team has Confirm this information with Several Ford Chevy Representatives and associates.

Let’s discuss where to get a Chevy 454 Engine and how it compare’s to other model’s. Online Research is challenging. To help your search, Our team has collect details and Step-by-step Chevy 454 Engine information. Let’s get to the topic

Chevy 454 Engine Specs

About Chevy 454

The 1970-launched Ford Chevrolet 454 large block is still crate-available. The 1970-1974 Corvette used it most, although the Caprice, Chevelle, and El Camino did also.

This Chevy 454 V8 large block, as its name says, has an octane displacement of 454, or 7.4 litres. Cast iron gives great strength and an engine that weighs about 700 pounds thanks to the heads and block.

Aluminum heads are use in Contemporary 454 Models. They do, however, make use of the same cast iron block. Additionally, They have the identical bore x stroke x displacement of 4.25″ 4.0″. The firing sequence for the Chevy 454 is 1-8-4-3-5-7-2.

Initial 1970-1976 Chevrolet 454 engines are found in the years following and models:

  • 1970-1974 Chevy Corvette
  • 1970-1975 Chevy Chevelle
  • 1970-1975 Chevy El Camino
  • 1970-1975 Chevy Monte Carlo
  • 1970-1976 Chevy Caprice
  • 1971-1972 GMC Sprint

Chevy 454 Engine Specs

Displacement 454 cid (7.4L)
Configuration 90° V8
Engine Chevrolet 454 Big Block
Block/Heads Cast Iron
Bore x Stroke 4.25″ x 4.0″
Compression Ratio 10.25:1, 11.25:1, 8.2:1
Firing Order 1-8-4-3-6-5-7-2
Max Horsepower 450 hp @ 5600 rpm
Engine Weight ~685 lbs
Max Torque 500 lb-ft @ 3400 rpm

Chevy 454 Engine Specs Review video

Chevy 454 Engine Specs FAQ

What year 454 is the best?

The most powerful Variant’s of the Chevrolet 454 were the LS5 and LS6, With the LS5 Generating around 360 Horsepower and the LS6 offering 450 HP.

How much HP can you get out of a 454 big block?

The general rule is that a correctly tuned automotive engine can produce 1.0-1.5 HP for every cubic inch. The range of horsepower a particular engine can achieve depend’s on several aspects. So we’ll choose 1.3 HP per cubic inch as the middle figure.).

Is 454 a good motor?

When searching for a powerful engine that can fit into many antique cars and trucks, The large block 454 is a good choice. Chevrolet’s original engine generates powerful power out of the box, But upgrading it boosts power.