These are two of the best engines ever developed. Legendary mechanic Uncle Tony gives a look inside both to show why that is.

From its 1965 introduction to its production supersession by the improved Mark V engine in 1991, the big-block Chevy Rat has carved its mark in virtually every form of racing, becoming in the ...

"There's no replacement for displacement!" This has been the battle cry of big block fans everywhere, and for good reason. A Chevy big block brings the thunder, whether you're roasting tires with ...

However, one of Chevy's most notable achievements has to be the development of the big-block and small-block engines, two categories that have become staples in the vocabulary of car enthusiasts ...

The big-block 454 V8 was designated the LS5. Chevy rated it at 360 HP and a whopping 500 lb-ft of torque, making it the highest-horsepower big-block available on the Chevelle Super Sport.

Chevy's Vortec 8100 — AKA the L18, AKA the Vortec 8.1 — was the last of The General's big block V8s, a line of engines that traced its lineage clear back to the fire-breathing muscle cars of ...