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 ...

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.

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.

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

2023年9月12日 · 1988-1990 L19’s were Mark IV 454 blocks, with 4 bolt mains and a 2 piece rear-main seal. Air and fuel was supplied 2 barrel throttle body EFI system. The cylinder heads were the ubiquitous peanut port small ovals.

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

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.

2024年4月22日 · While all three manufacturers offered 400 plus cubic inch big blocks, it would be GM’s 454ci big block (a 7.4 liter Chevy engine) that saw the largest production numbers and applications. Found in everything from the Corvette and Chevelle to full size trucks, commercial equipment like RVs and busses and even marine craft.

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.

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, including 438 horsepower and 500 asphalt-wrinkling lb.-ft. of torque.