Table of Contents
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
