1978 Mercury Cougar Big Block Chevy Engine Parts

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.

Concerned about a transmission swap? Our engine transmission compatibility checker will help confirm what you need to make it happen.

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

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.

Derek kicks off his 55 Chevy rebuild with a fresh small block.

Our new 78-88 GM Metric Chassis kits give the builder an all new kit, ready for assembly. Speedway Motors also carries everything else from suspension, body panels all the way to the engine to put your new Hobby Stock or Stock Car on the track.

It's not every day that you see a wild, IMSA inspired, 550 horsepower Vega. Byron Burnham went way outside the box with this one, and we love it.

In this episode, Project Chevelle takes a big step in its muscle car transformation. It's out with the little old 307 and to the dyno with our new 383 from BluePrint Engines!