Engine

What is the best engine to swap? Discover the top engine swap options, including LS, Hemi, and Cummins, and find the best engine swap for your build.

Knowing popular engine dimensions and weights are critical to a successful engine swap in your project vehicle

Crate Engine vs Rebuilt: Is Rebuilding an Engine Worth It? Crate engines are often the more affordable option over a purpose-built engine. Some still think a rebuild is cheaper than a crate engine. But is it? That’s what we’re here to find out.

Looking to swap the venerable LS engine into your hot rod, muscle car, or classic truck? Take a look at our detailed identification guide for Gen III/IV LS engines before you hit the salvage yard or swap meet!

Inside GM’s Gen V LT engine family: history, tech, and performance of each LT engine option available.

Is it OK to put Diesel oil in my gas engine? When is diesel oil bad for my car? Do I need to any additives in addition to diesel oil in my gas engine?

Wondering what a stroker motor is and how to build one? Speedway Motors has the answers with this stroker motor build guide.

There's a new spec engine option for the 2025 IMCA Modified season. Here's what you need to know.

Are you considering a Toyota 2JZ swap? Learn all about the famed inline-six and what cars came with the 2JZ engine from the factory.

Build a high-performance Gen V LT engine with proven power combos and learn about LT upgrades and tuning tips for maximum power