Here are some handy tips for finding the right fuel level gauge and sending unit for your classic car or truck.

How to Select the Correct Fuel Gauge and Sending Unit

Decode, ID, and upgrade your GM 12-bolt rear end. Learn axle specs, gear ratios, and best performance parts upgrades.

GM 12-Bolt Rear End Identification & Upgrade Guide

Speedway Motors employee Steve upgraded the trailing arms on his 1976 Chevrolet Laguna with some spherical bushings.

Spherical Bushings for GM A-Body Trailing Arms

Troubleshooting a fuel gauge can be a seriously aggravating issue. Click here for a video showing some hints and tips!

Troubleshooting a Fuel Gauge

These Omega Avant-series gauges from Speedway Motors were inspired by the deco masterpieces in cars like the Lincoln Zephyr and Coffin-nosed Cord. They will look right at home in your 30’s or 40’s street rod, hot rod, or custom.

Omega Kustom Avant Gauges

In this budget build, a GM rear end is upgraded in order to hold 400+ HP. See how spherical bushings are replaced in a used 8.5” GM 10 bolt rear end.

Replacing GM Rear End Spherical Bushings

How to prevent blowing a motor by keeping up with you weekly maintenance routine. Charles reviews how to install oil pressure and water temperature gauges to help prevent issues while racing.

Oil Pressure & Water Temp Gauges

Learn about GM alternator identification in our guide. We cover GM 3 wire alternators, 1 wire alternators, and externally regulated so you know what to choose.

GM Alternator Identification

Wiring a car may seem like a daunting process, but Jess explains the steps to successfully wire the ignition switch, headlight switch, and the dash gauges.

How-to Wire a Gauge Panel

Learn how to swap out an LS engine with a modern fuel injected engine into a hot rod for added horsepower, fuel economy, or throttle response. View a list of parts and helpful tips to complete the installation.

LS Swap Guide: GM 3 Speed / 4 Speed Parts List

Engine Family Facets

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GM C-Body FMX Gauges and Instrumentation Parts

GM C-Body FMX Gauges and Instrumentation Parts | Speedway Motors

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GM C-Body FMX Gauges and Instrumentation Parts

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Classic Instruments SN74Z Speed Signal Interface Module

40 Amp Adjustable Fan Switch and Relay Kit