One of the hottest engine swaps in our world right now is the Gen III/IV (or LS, if you prefer) engine transplanted into a '60s or '70s GM muscle car. These engines not only are more powerful than the ...

Chevy LS engines are among the most popular donor motors for DIY swaps in vehicles from vintage muscle cars and Jeeps to 1970s and '80s sports cars. The LS series' high power-to-weight ratio, ...

There was a time when many 4WD enthusiasts were afraid of electronic fuel injection (EFI) on engines, preferring the “relative simplicity” of a carbureted engine that could be run in a pinch with ...

Getting your LS swap to run smoothly isn’t just about bolting in the engine — it’s about nailing the ECU setup and tuning. From disabling VATS to ensuring proper MAP and MAF configuration, each step ...

Why it works: LS engines combine compact size, high power, and reliability, making them ideal for retrofitting into older trucks without excessive fabrication. Fuel system matters: Upgrading to a high ...

Now that you know what it takes to drop the Gen III in, it probably wouldn't hurt to have some sort of idea on all that's out there and who's providing it. To start you off in the right direction on ...

Engine swaps open up a lot of possibilities for project car builders. One of the most common engine swaps to see is the LS swap, with everyone from drift car builders to drag racers opting to use GM's ...