When we left Project Groundhog at the end ofPART 1, we had just finished assembling the short-block. To briefly sum up the scope of the build, we started with a down-in-the-dirt (literally) Gen III ...

As you all know, we picked up our project engine from Dave's Goldenwest Truck wrecking yard. With a surplus of these engines at their disposal, they had what we needed at the right price. After the ...

Among the advantages of these engines are factory aluminum heads, lightweight composite intakes and in some cases aluminum blocks. Many, such as the 5.3L (RPO LM7) have a cast-iron block with aluminum ...

Auto enthusiasts love to tinker with and upgrade their vehicles, installing everything from Apple CarPlay stereos and screens to new engines and transmissions. Chevy LS-series engine swaps are popular ...

Turbos and superchargers have made extra power almost easy to come by. Thanks to them, even tiny four-cylinders can make the type of numbers that used to be reserved for big-displacement engines. That ...

While the 5.3L LS4 V8 was the first car engine to feature Active Fuel Management (cylinder deactivation) technology, it was not Flex Fuel capable and did not have variable valve timing. As mentioned, ...