When it comes to engine building, cylinder heads are of utmost importance. Here's why Chevy's small-block Vortec heads could ...

A teardown of a locked-up GM Vortec 350 reveals bent rods, destroyed bearings, a ventilated block, and why these workhorse ...

LS power on the cheap is easy if you know where to look and what to do. 500+ hp from a junkyard 4.8L Vortec LS? Yep, and it's easier than you think. Sure, new crate engines are great if you have the ...

The popularity of various engine designs typically fades over time as technological advances provide more power, better fuel economy, or both. Flathead designs gave way to overhead valves, and inline ...

When starting a project vehicle, there are several considerations to take into account, such as the complexity of the build, costs, and parts availability. Unless you happen to have several thousand ...

With the introduction of the '07 GMT900 trucks, you can get a 2500HD or 3500HD with an all-new body and interior wrapped around a cleaner and more powerful version of the famous Duramax diesel or a ...

I'm an engine junkie. I pore over dyno tests, study cylinder head flow numbers, and speculate on camshaft selections. Yeah, geek. But, in all that research it occurred to me that I could take the GM ...

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 the '60s ...

To celebrate HOT ROD's 75th anniversary, we teamed up with CASTROL GTX to bring you some of the stories that exemplify the core of what HOT ROD is and reflect the brand's influence on America's car ...