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- How to Rebuild & Modify Rochester Quadrajet Carburetors
The Rochester Quadrajet carburetor was found perched atop the engine of many a classic GM performance vehicle. The Q-Jet is a very capable but often misunderstood carb. This book, How to Rebuild and Modify Rochester Quadrajet Carburetors, seeks to lift the veil of mystery surrounding the Q-Jet and show owners how to tune and modify their carbs for maximum performance.
The book will be a complete guide to selecting, rebuilding, and modifying the Q-Jet, aimed at both muscle car restorers and racers. The book includes a history of the Q-Jet, an explanation of how the carb works, a guide to selecting and finding the right carb, instructions on how to rebuild the carb, and extensive descriptions of high-performance modifications that will help anyone with a Q-Jet carb crush the competition.
Pages: 128
Size: 8.5 X 11 (inches)
Format: Paperback
Illustrations: 300 color
Publisher: CarTech
ISBN: 9781932494181
Product Code: SA113
Preface
Introduction
Chapter 1: History
Carburetor Numbering
Chapter 2: How Quadrajets Work
Main Components
Venting
Fuel Inlet
Float
Idle System
Primary Main Metering System
Secondary System
Choke System
Chapter 3: Selecting the Right Carb
What Are the “Best” Quadrajets?
Inlet Position
CFM
Linkage
Vacuum Fittings
Choke Pull-Offs
“Remanufactured” Quadrajets
What Quadrajet Do I Use?
Chapter 4: Tools and Safety
Safety Equipment
A Place to Work
Basic Hand Tools
Drill Bits
Sand/Media Blasting
Air Tools
Propane Torch/Oxygen Acetylene Welder
Carburetor Cleaners and Solvents
“Special Tools”
Measuring Devices
Chapter 5: Rebuilding the Carb
Bottom Plugs
Warped Air Horn/Main Body
Stripped Fuel Filter Housing Threads
Loose Throttle Shafts
Taking the Carburetor Apart
Cleaning the Parts
Base Plate
Air Horn
Rebuild Kits
Chapter 6: High-Performance Modifications
Base Plate Modifications
Modifying the Idle System
Primary Main Fuel System
Basic Rules for Primary Jetting
Power Piston Springs
Accelerator Pump
Fuel Inlet Seats
Floats
Pullover Enrichment System
Secondary Emulsion Tubes (Air Bleeds)
Secondary Air Flaps, Shaft, Hanger, and Metering Rods
Choke Pull-Offs
Recipe for Success
Full-Race Carburetors
Removing the Primary Booster Rings
Chapter 7: Edelbrock Q-jets
Appendix A: Quadrajet Secondary Metering Rods
Appendix B: Quadrajet Components
Reviews
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Musclecar Enthusiast
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(Posted on 9/30/2006)Unlike some tech books you've probably seen, this one does a good job on the photography, with all color photos shot with good lighting, clear details and clean backgrounds.
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High Performance Pontiac Magazine
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(Posted on 11/30/2006)This book is a must-have for any hobbyist who enjoys spending time under the hood of his Pontiac.
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Hemmings Muscle Machines
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(Posted on 1/31/2007)"This is definately a handy reference for anyone working with Q-Jet-fed muscle."
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Car Craft
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(Posted on 1/31/2007)"This is a book that takes the Q-jet to the next level."
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Super Chevy
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(Posted on 9/30/2007)"From the simple rebuild all the way to the complex, this book has it documented."
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Classic & Performance
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(Posted on 6/16/2020)"Author Cliff Ruggles did one heck of a job writing How to Rebuild and Modify Rochester Quadrajet Carburetors and it is simply the most exhaustive book on carb rebuilding I've ever read and I couldn't recommend it more."
Cliff Ruggles
Cliff Ruggles has more than 20 years' experience in custom building transmissions. He owns his own business, Cliff's High Performance, which specializes in building high-performance Quadrajet carburetors. Cliff has built/owned/raced at least half a dozen cars over the years. He has authored many books for CarTech, including How to Rebuild & Modify GM Turbo 400 Transmissions and How to Rebuild and Modify Rochester Quadrajet Carburetors.
