Differentials Service & Repair Manuals

Ford Differentials - How to Rebuild the 8.8 Inch and 9 Inch

This book is a detailed guide to Ford 8.8- and 9-inch rear differentials, two of the most popular high-performance units for muscle cars, hot rods, custom vehicles, and race cars.
The 8.8-inch differential is commonly used in late-model Mustangs, while the 9-inch, produced from 1957 to 1986, remains the most widely used performance differential due to its strong construction, simple setup, and extensive aftermarket support.

The book provides step-by-step instructions and photos for rebuilding these differentials, including disassembly, inspection, and reassembly. It explains how to identify worn gears and components, select bearings, seals, and hardware, and correctly set ring-and-pinion backlash to ensure peak performance.

It also covers upgrading to posi-traction, installing gear sets, and adapting the differential for specific applications. Aftermarket 9-inch performance differentials from Currie, Moser, and Strange are reviewed, with guidance on rebuilding and setup. A comprehensive identification chart helps readers determine the exact model and specifications of their differential.

Chapters include axle identification, inspection, purchase considerations, differential teardown, gear removal and installation, drive axle choices, and more, making this book an essential resource for anyone working on Ford 8.8- and 9-inch rear ends.

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Jeep, Dana and Chrysler Differentials - How to Rebuild the Chrysler 8 1/4, 8 3/4, Dana 44 & 60 and Amc 20

This book focuses on the rebuilding and upgrading of high-performance differentials used in various Chrysler muscle cars, such as the Challenger, Charger, Barracuda, and Super Bee, as well as Jeep models like the CJ and Cherokee.
Chrysler used the Dana 60 and BorgWarner Sure-Grip differentials in its muscle cars, paired with powerful engines like the Magnum and Hemi V8s, which made history in motorsports. Jeep models, using Dana 44 and AMC 20 differentials, have also faced heavy loads, often requiring frequent rebuilds.

After years of use, these differentials need to be rebuilt, and aftermarket parts such as ring and pinion gears are available for upgrades. This book offers a detailed, step-by-step guide to disassembling, inspecting, and rebuilding the most popular high-performance differentials.

While axles and differentials are not overly complex, proper rebuilds and upgrades require specific steps. This book simplifies the process and covers it in detail. Special focus is given to ring and pinion gears, as well as choosing the best aftermarket axle shafts and modifying the differential housings for performance upgrades.

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Chevy Differentials - How to Rebuild the 10- and 12-Bolt

This book explains how to rebuild Chevrolet 10-bolt and 12-bolt differentials, widely used in millions of GM vehicles from the 1960s and 1970s.

These strong and dependable units were fitted to many rear-wheel-drive models, including high-performance versions of the Camaro, Chevelle, Corvette and other GM muscle cars, as well as Chevrolet and GMC trucks. Most of these differentials are now more than forty years old and often require a full overhaul.

The book guides the reader through every step of disassembly, inspection and rebuilding. It shows how to evaluate worn components, choose correct replacement parts and apply current methods for reassembling the differential and axle. It also includes useful information on axle identification and available replacement parts.

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High-performance Differentials, Axles and Drivelines

This book covers everything you need to know about selecting the most desirable gear ratio, rebuilding differentials and other driveline components, and most importantly, matching the correct driveline components to engine power output.

Learn how to set up a limited-slip differential, install high-performance axle shafts, swap out differential gears, and select the best available products for the driveline.

This book covers the Chevy 12-bolt, Ford 8.8-inch, Dana units, and many other popular high-performance axles and rear ends.

In addition, it explains rear differential basics, rear differential housings, rebuilding open rear differentials, limited-slip differentials, and factory differentials. Ring and pinion gears, axle housings, axle shafts, driveshafts, and U-joints are also covered.

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