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 ...

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 ...

Both of these Silverado engines feature continuously variable valve timing and Active Fuel Management (AFM), which shuts down cylinders to improve fuel economy when only small amounts of power are ...

When General Motors wanted to show off the capability of its Vortec engines, they went to Jason Plotke, who already had numerous H2 and H3 builds to his credit. Jason Plotke owns IAG Customs in ...

Some of this may be due to the fact that the L3B is mated with GM’s eight-speed automatic transmission (MQE), while the 4.3L V6 LV3 is paired with the six-speed MYC auto. Even so, there’s no doubt ...

Direct Injection 5.3L L83 engines are starting to show up in salvage yards, but how do they compare to the super popular 5.3L Vortecs that have been a mainstay of LS swaps? We were a bit skeptical of ...