Chevy Silverado 3500 HD TH400 Parts

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

Learn how to install a side detent shifter in a 1969 Chevy C10.

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.

Myles has had this Monte Carlo for a long time, and it's now like a member of the family!

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!

Call up Speedway Motors with a technical question and you may get Kevin Webel on the other end. He's a hardcore car guy and knows a thing or two about all things loud and fast. This big block powered '54 Chevy lives in his home garage.

What cars are just so great that they deserve to be carved into the side of a mountain?Here's a list of suggestions from the Speedway Motors staff...

The 700R4 is a great choice when it's time to upgrade your classic car or truck with an overdrive transmission. Here's what you need to know about GM's famous 4-speed automatic.

Follow along as we install a Pete Jackson Noisy Gear Drive on a Chevy 454. Learn about the installation process from Speedway Motors Street Tech Kevin.

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.