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.

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

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

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!

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.

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.