Muncie 4-Speed Transmissions: How to Rebuild & Modify

Muncie 4-Speed Transmissions: How to Rebuild & Modify

by Paul Cangialosi

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Product Details

ISBN-13: 9781613251065
Publisher: CarTech, Incorporated
Publication date: 10/15/2014
Series: SA Design
Pages: 144
Sales rank: 812,046
Product dimensions: 8.40(w) x 10.90(h) x 0.50(d)

About the Author

Paul Cangialosi is owner, proprietor, and top wrench at Medatronics Corporation and 5speeds.com 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

Acknowledgments 4

Introduction 4

What is a Workbench® 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

Cleaning 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

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Muncie 4-Speed Transmissions: How to Rebuild & Modify 5 out of 5 based on 0 ratings. 1 reviews.
eheinlen More than 1 year ago
I'm not a big car person, but I found this guide easy to follow and it had great pictures!