Nearly as famous as Chevy's rides are the iconic big-blocks that powered them like the 427 Tri-power and the 454 LS6, but it's actually a small-block that has been Bowtie's backbone, from the ...

For example, the LS7 454, the 302 Small-Block V8, or even the L88 that powered the Corvette in the late '60s with the C2 and C3 gens. Some of these engines are important and the cars that use them ...

It also offered a variety of engine options, including a 250-cubic-inch inline-six and a 350-cubic-inch small-block V8, but the standout performer was undoubtedly the 454. Inside, GMC kept things ...