TH400 Street Timing Components

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.

The LS swap is no doubt still going strong, but if you’re planning to run an automatic behind your 4.8, 5.3, or 6.0L LS-powered ride, you’ll need to pay attention to a few items we discuss in this buyer’s guide.

How to plan and execute a LS swap into any 1973-1987 Chevy/GMC K10 pickup truck.

Unleash power, save money with Speedway Motors. Turbo setups for your 4.8, 5.3, or 6.0 LS engine offer unmatched dollar-to-horsepower value. Get it right the first time with us!

What happens when you advance or retard a camshaft? In this tech article, we explain the pros and cons of installing your cam straight up, advancing or retarding.

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.

Improve speed and utilize practice time efficiently by gaining awareness of corner times.

Choosing the right suspension products when building your street rod or custom car. A step by step on how to determine which parts are needed for installation, how to calculate the spring rate and other helpful tips along the way.

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!