We may receive a commission on purchases made from links. The HEMI nameplate is arguably one of the most famous in the automotive community, with the name a reference to their hemispherical combustion ...

Boom Supersonic is putting its engine technology to work on the ground to power the AI boom, and help fund development of its full-size Overture aircraft. Jesse Orrall (he/him/his) is a Senior Video ...

The new contract covers the Post-Critical Design Review phase of the B-52 Commercial Engine Replacement Program, which will replace the TF33 engines with the new F130s. The U.S. Department of War ...

One of the most anticipated V8 thrillers of 2025 is finally available to purchase. Direct Connection is asking $34,995 for the Hellephant A30 426 Supercharged Crate HEMI, a 7.0-liter behemoth that ...

If you’ve been waiting for the chance to drop a factory-fresh Hemi V8 into the new Charger, your moment has arrived. One of the wildest crate engines ever offered by an OEM is back on the shelf, and ...

In April, GM recalled 721,000 6.2-liter V8 engines. Toyota followed with more than 102,000 V6 engines in 2024. Honda pulled back nearly 250,000 V6s. Stellantis is sorting out issues with 112,589 ...

How the Coyote V8 was developed, all the generation updates and their specs, a summary of the supercharged variants, and a few known Coyote problems. The Ford Coyote engine is a modern, naturally ...

Here’s what you’ll learn when you read this story: Stirling engines, which have been around for centuries, leverage temperature differentials in a gas to do light mechanical work. A new study ...

Philip Gelderblom has been writing professionally since the '90s. He has written mainly content on a freelance basis, including about cars, future cars, EVs, hybrids and hydrogen cars, self-driving ...

Just a few days ago, we learned that Mopar Direct Connection was reviving the Hemi Drag Pak for its aftermarket crowd. Since then, the outfit has also announced that it is reviving the Hellephant ...

We get a 1,000-hp Hellephant crate V8, but Dodge still won’t reveal power figures for the upcoming Charger V8, fueling fan frustration and speculation. The era of high-performance HEMI crate engines ...

1,000-horsepower Direct Connection Hellephant A30 426 Supercharged Crate HEMI® engine relaunches with suite of new engine upgrades Updated NHRA championship-winning Direct Connection 354 Supercharged ...