Chevy AJ Battery Testers

Leaking engine cylinders is an important preventative maintenance test to do while racing. Learn the steps to perform this test and how to indicate proper engine tuning.

Our automotive battery buyer's guide walks you through the most popular battery types and how to determine what is best for your application, be it street performance, racing, or otherwise.

Selecting the right battery cable wire size for automotive alternator to battery applications is crucial for optimal electrical performance and preventing potential issues. Our guide helps you choose the right wire gauge for any length of wire run.

Speedway Motors employee Jess M. talks about the custom battery tray and cables she built for her '33 Ford.

Kevin W. walks through each step of installing a new alternator bracket on a 454 Big Block Chevy.

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!

Tim shows off our aluminum cylinder heads for 348-409 Chevys.

HushMat “Easy to Install – No Prep” Adhesion test WD40 on Chop Cut Rebuild show demonstrates the superior adhesive quality of HushMat sound deadening & thermal insulation material.

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.

Testing a 2 or 3 wire speed sensor sounds difficult, but these videos show that it actually is quite easy!