Chevy Big Block V8 Mark IV 402 LS3 Engine

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!

Over several generations of small block Chevy (and big block Chevy) engines there have been several changes that dictate what flexplate works with them. We’ll help you determine the correct flexplate for your Chevy engine in this buyer’s guide.

The 454 big block Chevy is still a popular build option for when there is no replacement for displacement!

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

How to maintain coolant temperature for a Big Block Chevy engine. Installation instructions for a double pass radiator and electric fan in a 1954 Chevy Bel Air.

The new Steel LS Mock Up Block from Speedway Motors makes it easy to fab mounts and check clearances while LS swapping your car.

Decode small block Chevy engine suffix codes and block casting numbers with our SBC decoding info guide. Learn how to find and decipher your small block Chevy engine codes quickly and easily!

Take a look at a few of the rare and wonderful Chevy engines in the Museum of American Speed!

How to install a chrome radiator hose kit and aluminum thermostat housing on a big block Chevy for an added touch to your engine bay.

The 1964 Corvette L79 327 is legendary, learn more about this storied engine and what you need to build a clone.