The 1963 Chevrolet Impala 409 has never been subtle. Even among Chevrolet loyalists, the W-motor big blocks carry a mythic glow, the kind of powerplants that helped rewrite performance expectations ...

When Tom Nelson recently posted pictures and a video on Instagram of this unique engine he’d just finished, we knew we had to stop by for a closer look. A cursory glance at those unmistakable valve ...

“Chevy 400 2-Bolt, 348, 409 & the Mystery Engine” dives into the history, design, and performance differences among Chevrolet’s most intriguing engines. The video breaks down unique features, ...