High-performance Differentials, Axles, And Drivelines by Joe PalazzoloHigh-performance Differentials, Axles, And Drivelines by Joe Palazzolo

High-performance Differentials, Axles, And Drivelines

byJoe Palazzolo

Paperback | October 5, 2009

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All too often, when an enthusiast builds a high-performance engine, swaps a more powerful engine into a car, or mounts sticky tires, the driveline components simply can't handle the added torque and fail. In addition, differential, axles, and driveline parts have a limited life span under the power of a high-performance engine. Also, the proper gear ratios need to be selected and installed for maximum performance on the street, strip, or track. The performance of the driveshaft, differential, axle, and other driveline components needs to match the performance level of a particular engine, so maximum efficiency, longevity, and reliability can be realized.

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.

Joe Palazzolo is currently a chief engineer at GKN Driveline Torque Technology Group where he manages the mechanical design and development of new automotive torque transfer devices, concepts, and integration into production applications. He has received numerous patents for his innovative work and creativity in advancing vehicle mobil...
Title:High-performance Differentials, Axles, And DrivelinesFormat:PaperbackDimensions:144 pages, 11 × 8.5 × 0.38 inPublished:October 5, 2009Publisher:CartechLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:1934709026

ISBN - 13:9781934709023

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Table of Contents



Foreword by Larry Webster



Chapter 1: Rear Axle Fundamentals 

Driveline Overview

Axle Overview 

Finding the Right Parts and Service



Chapter 2: Factory Rear Axle Housings 

Beam Axles

Independent Carrier Axles 

Axle Shaft Retention Methods 

Axle Tubes

Axle Housings



Chapter 3: Rebuilding the Rear Axle

Common Axle Problems

Vehicle Preparation 

Axle Disassembly

Cleaning and Inspection

Axle Reassembly 




Chapter 4: Factory Limited-Slip Differentials 

Determining Limited-Slip vs. Open Differential

Tear-Down Process

Checking the Parts for Wear 

Rebuild Process 

Final Assembly and Performance

GM-Style Limited-Slip Differential 

Cone-Style Limited-Slip Differential 

Ford Mustang Differentials



Chapter 5: Aftermarket Differentials 

Limited-Slip Differentials 

Open Differential 

Spools and Mini-Spools


Helical Technology

Viscous Control Technology

Torque Vectoring 



Chapter 6: Ring and Pinion Gears 

Torque Multiplication 

Hypoid vs. Spiral Bevel Gear Systems 

Hypoid Mounting Dimensions 

Tire Size and Gear Ratio 

Gear Manufacturing 

Gear Materials

Gear Tooth Geometry 

Disassembly and Assembly of Ring and Pinion Gears 

Setting Gear Contact Pattern 

Ring and Pinion Break-In Procedure 

Speedometer Accuracy 



Chapter 7: Axle Shafts 

Axle Shaft Function

Axle Shaft Geometry and Nomenclature

Materials and Manufacturing Methods 

Spline Details

Bearing Surfaces

Flange, Lug Studs and Nuts



Chapter 8: Driveshafts, Universal Joints and Pinion Angle

Driveshaft Considerations

Retention Methods



Joint Angles 





Source Guide