Electrical Testers

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

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.

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.

Are your gauges reading erratically or does your car run out of power at high rpm? It may be the cause of a bad ground. Speedway Motors can show you how to diagnose and fix the problem in no time at all!

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

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

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.

Upgrading to electronic ignition is a huge improvement in performance, reliability, and lower maintenance that you can add to just about any engine your project may be running. Learn all about your electronic ignition choices in this buyer's guide.

Learn how to install and wire a digital tachometer. Speedway Motors covers the entire process with our installation of the Acewell 1100 Digital Tachometer.

When choosing a type of pyrometer, it's important to know the differences between prob and infrared. This article compares the two and when to use which kind.