The Chevrolet big-block engine is a series of large-displacement, naturally-aspirated, 90°, overhead valve, gasoline-powered, V8 engines that was developed and have been produced by the Chevrolet Division of General Motors from the late 1950s until present. They have powered countless General Motors products, not just Chevrolets, and have been ...

The 454 big-block crate engine is a robust, affordable engine that features an all-forged rotating assembly for great strength and impressive durability.

In 1970, GM pushed the performance bar higher with the introduction of the Chevy 454 V8. 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.

2023年5月4日 · With over 50 years of history to unpack, the Chevy 454 7.4L V8 is an exciting engine that also offers tons of potential. In this guide, we discuss Chevy 454 engine specs, performance, reliability, upgrades, and more. *Our primary focus in this article is the original 454 big block engine from 1970-1976.

Chevrolet Performance's 454 HO crate engine is classic in its own time, offering enthusiasts an affordable Big-Block combination with performance specs that will make you think it's 1970 all over again - with 438 horsepower and 500 asphalt-wrinkling lb-ft of torque.

2021年4月14日 · The Chevrolet 454 LS6 Was The Peak Of GM Big Block V8 Performance 3 Inches Of Lift and 38’s On The Jeep Gladiator Rubicon Recommended For You

2024年2月14日 · The Chevy 454 Big Block engine is a V8 engine that belongs to the Chevrolet Mark IV engine family. It was introduced in 1970 and was primarily used in high-performance vehicles such as the Chevrolet Camaro, Chevelle, and Corvette. The engine features a cast-iron block and cylinder heads, providing durability and strength.

2024年3月14日 · Fifth-generation 454 big block Chevrolet engines produced from 1991 to 1995 feature improved designs for the rear main seal, oil passages, valve covers, and front covers.

2024年1月17日 · Chevrolet’s 7.4L 454 engine has powered many Chevy and GM vehicles, from classic 2-door muscle cars like the Caprice and Chevelle to more modern heavy-duty work trucks such as the Sierra 3500 and TopKick.

The ZZ454/440 uses the new cylinder block casting for greater strength and performance, while the aluminum heads use smaller, 110cc combustion chambers to boost compression to 9.6:1, up from 8.5:1 on the 454 HO.