Learn about the power behind the G-body platform and the steps to upgrade a 7.5" bolt rear end to a 8.5" to withstand high horsepower. See how to change the differential fluid and install new gaskets.

Replacing a G-Body 7.5" Bolt Rear End

Need help with rear end identification for your muscle car or hot rod? Learn how to identify 9-inch Ford housings and how to measure your axles with our diagrams.

Ford 9-Inch Housing Identification and Axle Measurement

Learn how to ID a Ford 8.8 rear end by tag, width, and code. Compare 8.8 vs 9-inch axles, decode gear ratios, and find which Ford models used them.

Ford 8.8 Rear End ID Guide | Widths, Codes & 8.8 vs 9" 

Check out this introduction to the latest automotive photography tips and tricks including; composition, lighting, and camera gear. Increase your chances of getting pictures of your car in our catalog!

Automotive Photography Guide

This is the epic story of the Li'l Coffin show car. From Wichita used car lot to fame, glory, and a fire that almost ended it all, this old hot rod has had quite a life.

The Li'l Coffin '32 Ford Show Car

Learn how to assemble one of our bolt on nine-inch Ford disc brake kits in this step-by-step guide.

How to Assemble Our Ford 9 inch/8 inch Disc Brake Conversion Kits-Tech Talk

The new art gallery at the Museum of American Speed shows the work of over 50 automotive artists. Here's a sneak peek...

Automotive Art in the Museum of American Speed

In this Tech Tip, John responds to a customer looking to upgrade the 8” stock differential in his Cougar to a 9” open diff.

8 Inch to 9 Inch Upgrade

We can teach you some of the major differences between the Ford and GM-style T5 Flathead transmission adapter kits. We'll also walk you through choosing the correct parts in order to make this installation a breeze!

Adapting Tremec's Popular T5 5-speed Manual to Ford's Flathead V8 Engine

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

Engine Family Facets

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G-Body Ford 8 Inch Automotive Literature

G-Body Ford 8 Inch Automotive Literature | Speedway Motors

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G-Body Ford 8 Inch Automotive Literature

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Car Tech SA249 How-To Rebuild 8.8/9 Inch Ford Differentials Book