Big Block Chevy TH400 Parts

This resource contains a transmission pan shape ID chart and other tips to help with identifying GM transmissions.

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

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.

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!

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

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.

Learn about the specs of the V8 Ford Flathead Engine. Check out these Flathead firing order diagrams and torque specifications chart created by the experts.

Heath P. tells his story on how the passion for 'hot rodding' was instilled in him by his grandfather. From driving tractors on their family farm to becoming a Ford family, you are in for a good read.

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.

Learn how to successfully upgrade the cooling system for a 400 small block Chevy. Read tips for installing a water pump and auxiliary coolant lines using fittings and fuel hoses.