Go inside GM’s Performance and Racing Center to check out the new 1,004-hp crate engine’s revolutionary cylinder heads.

In its history, General Motors has put some powerful LS engines under the hood of its most popular models. Here are the top ones and their specs.

Uncut, unrestored (until recently), and unreasonably original - this is one of the purest big-block 1966 Cobras left in the ...

Sena might not have realized it back then, but with that one small but significant gesture, she helped create a sense of membership — and of collective identity — for the block’s female residents.

For this rundown of 427 crate engines, we'll look at traditional big-block engines as well as some modern small-block units. Some will be naturally aspirated, while others will use forced air ...

Which leads us to ask – what should the upcoming GM Small Block truck engine be called? While General Motors has thus far declined to provide any official information, GM Authority has already ...