Muncie 4-speed Transmissions: How To Rebuild & Modify Book~great Reference~new
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Muncie 4-speed Transmissions: How To Rebuild & Modify Book~great Reference~new:
Muncie 4-Speed Transmissions: How to Rebuild & Modify
by Paul CangialosiTransmission expert and veteran author Paul Cangialosi has created an indispensible reference to Muncie 4-speeds that guides you through each crucial stage of the rebuild process.
The Muncie 4-speeds (M20, M21, and M22) are some of the most popular manual transmissions ever made and continue to be incredibly popular. The Muncie was the top high-performance manual transmission General Motors offered in its muscle cars of the 1960s and early 1970s. It was installed in the Camaro, Chevelle, Buick GS, Pontiac GTO, Olds Cutlass, and many other classic cars. Many owners want to retain the original transmission in their classic cars to maintain their value.
Transmission expert and veteran author Paul Cangialosi has created an indispensable reference to Muncie 4-speeds that guides you through each crucial stage of the rebuild process. Comprehensive ID information is provided, so you can positively identify the cases, shafts, and related parts. It discusses available models, parts options, and gearbox cases. Most important, it shows how to completely disassemble the gearbox, identify wear and damage, select the best parts, and complete the rebuild. It also explains how to choose the ideal gear ratio for a particular application. Various high-performance and racing setups are also shown, including essential modifications, gun drilling the shafts, cutting down the gears to remove weight, and achieving race-specific clearances.
Muncie 4-speeds need rebuilding after many miles of service and extreme use. In addition, when a muscle car owner builds a high-performance engine that far exceeds stock horsepower, a stronger high-performance transmission must be built to accommodate this torque and horsepower increase. No other book goes into this much detail on the identification of the Muncie 4-speed, available parts, selection of gear ratios, and the rebuild process.
Paul Cangialosi is the owner, proprietor, and top wrench at Medatronics Corporation and 5speeds in Tequesta, Florida. He first started working on cars at the age of 12 and his automotive passions have burned bright ever since. He has pursued his passion for manual transmissions for nearly 30 years. Today, Cangialosi's businesses offer 12 different rebuild kits and 6 new transmissions, as well as rebuilding, fabricating, and design services for high-performance manual transmissions.
Table of Contents:
What is a Workbench(R) Book? 6
Chapter 1: History and Evolution 7
Happy Accidents Create the Muncie 8
Muncie Design Changes 9
Available Gear Ratios 12
Chapter 2: Muncie 4-Speed Identification 16
Muncie RPO Codes 17
Main Case Casting Numbers 17
Serial Numbers 17
Main Cases 18
Service Cases and Transmissions 22
Extension Housings and Sidecovers 22
Midplate Castings 25
Ratio Identification 25
Hardware and Tags 27
Chapter 3: How Muncie 4-Speeds Work 29
Forward Gears 29
Reverse Gears 30
Lack of Front Seal 30
Design Features 31
Diagnosing Common Problems 34
Shifter Considerations 41
Chapter 4: Inspection and Repair 46
External Case Components 46
Gears, Synchros and Shafts 51
Bearings and Bearing Surfaces 59
Chapter 5: Rebuilding Your Muncie 61
Muncie Rebuild Kit 62
Workflow Process 62
Chapter 6: High-Performance Muncies 95
Auto Gear Equipment 95
High-Performance Gearsets 97
Muncie Design Features 100
Road Racing and Endurance Use 103
Chapter 7: Advance Adapters 4x4 Conversion Kit 111
Mainshaft Assembly 114
Maindrive Inspection 115
Gearbox Assembly 117
Chapter 8: Parts Resources 126
Group A: Mainshaft and Extension Housing 128
Group B: Maindrive and Retainer 131
Group C: Countershafts and Case 134
Group D: Internal Shift Linkage 138
Group E: Service Kits 140
Appendix: Original Muncie Patent 141
Source Guide 144
Softcover. 8 1/2x11. 144 pages. Color photos. BRAND NEW!
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