Willys MB Battery Testers

Learn the importance of proper electrical grounding and how it affects not only starting, but accessories and lighting as well.

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.

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

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.

There are several aspects of a properly relocated battery installation. Our guide will help you ensure that your relocation goes smoothly.

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.

Learn how to best choose between an electric or mechanical fuel pump for your project vehicle. We help you you understand the differences in order to properly design a performance fuel system with our buyer's guide.

Crimping or soldering automotive wiring are both viable options, but in some cases, it is preferable to do one vs the other

Little is thought of your engine’s starter until it refuses to turn your engine over at the worst possible moment. Today’s powerful mini starters can crank the biggest engines with ease. Learn how in our buyer’s guide.

Power brake boosters offer lower pedal effort and better braking characteristics, but which one is right for your hot rod, muscle car, or truck? We take the guesswork out of that question with our latest buyer's guide.