Swap LS Engines into Chevelles & GM A-Bodies: 1964-1972

Swap LS Engines into Chevelles & GM A-Bodies: 1964-1972

by Jefferson Bryant

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The GM LS engine has revolutionized the muscle car and the high-performance V-8 market. It has become a favorite engine to swap into classic cars because it offers a superior combination of horsepower, torque, and responsiveness in a compact package. As such, these modern pushrod V-8 engines are installed in vintage GM muscle cars with relative ease, and that includes Chevelles and other popular GM A-Body cars. In fact, General Motors manufactured about 500,000 Chevelles and A-Body cars between 1968 and 1970 alone.

Jefferson Bryant, author of LS Swaps: How To Swap GM LS Engines into Almost Anything, has performed many LS swaps throughout his career, and has transplanted the LS into several A-Body cars. In this comprehensive guide, he provides detailed step-by-step instructions for installing an LS powerplant into a Chevelle, Buick GS, Oldsmobile Cutlass, and Pontiac GTO. To successfully install an LS engine, you need to select or fabricate motor mounts and adapter plates to mount the engine to the chassis. Also, you need to integrate the electronic engine controls and wiring harness to the A-Body car. If you run a fuel-injection system, a new tank or high-pressure fuel pump, fuel lines, and related equipment must be installed. Bryant covers all of these crucial steps and much more. He explains essential procedures, time saving techniques, and solutions to common problems. In addition, he performs a new LT swap into an A-Body car.

Swapping an LS engine into an A-Body is made much easier with a comprehensive guidebook such as this, whether you plan on doing it yourself or decide to have a shop do it for you. A huge and thriving aftermarket provides a wide range of suspension, brake, steering, chassis, and other parts that produce functional improvements. Before you tackle your LS Swap project, arm yourself with this vital information to guide you through the process.

Product Details

ISBN-13: 9781613254264
Publisher: CarTech Inc.
Publication date: 05/15/2017
Sold by: Barnes & Noble
Format: NOOK Book
Pages: 144
File size: 234 MB
Note: This product may take a few minutes to download.

About the Author

Jefferson Bryant laid his eyes on a 1978 Firebird at age six, and he knew he would be a car guy for life. He has authored several books, including LS Swaps: How to Swap GM LS Engines into Almost Anything. He has contributed scores of magazine articles to Car Craft, Rod and Custom, Dragzine, Super Chevy, and others. He recently launched Street Tech, his own automotive magazine.

Table of Contents


Chapter 1: Modern V-8 Masterpieces: The LS- and LT-Series Engine
Gen III: A Revolution in V-8 Performance
Gen IV: Improving the Legend
Gen V: The LT-Series
Engine Swap Projects
Performance Project: The “Take-Out” Procedure for a Vortec 5.3-Liter Salvage Yard Engine

Chapter 2: Motor Mounts
Chevy Adapter Mounts for the A-Body
LS Frame Stands
Transmission Mounts
Performance Project: Choosing a Driveline

Chapter 3: Oil Pans, Pan Modifications and Aftermarket Offerings
Stock Oil Pans
Gen V Oil Pans
Aftermarket Gen III/IV Oil Pans
Performance Project: Modifying a Crossmember for Oil Pan Clearance

Chapter 4: Accessory Drives and Cooling Systems
LT Engine Series
Vehicle Fitment with Stock Accessory Drives
Aftermarket Drives
Cooling Systems
Performance Project: Adding Power Steering to a 2014-up LT-Series Engine

Chapter 5: Transmissions
Automatic Transmissions
Manual Transmissions
Performance Project: 3- to 4-Speed Floor Shifter Conversion
Performance Project: Fitting an Early T56 to an LS Engine
Clutch Basics

Chapter 6: Wiring Harnesses and Wiring
Take-Out Harnesses
Cam Sensor Locations
Connectors for 1997–1998 LS1 Engines
Relays for 1997–1998 LS1 Engines
Connectors for 1999–2002 LS1 Engines
Relays for 1999–2002 LS1 Engines
2009-up LS3 ECM Connector Pinouts
LS3 Factory ECM Pinouts
2014-up LT1 ECM Connector Pinouts
Aftermarket Harnesses
Performance Project: Drive-by-Wire to Drive-by-Cable Conversion

Chapter 7: Engine Management Systems, Tuning Software and Controllers
Aftermarket Tuning Packages
Aftermarket Engine Management
Performance Project: Installing an Aftermarket Transmission Controller

Chapter 8: Fuel System
Fuel Pumps
Inline Fuel Pumps
Performance Project: Installing a Phantom Pump System

Chapter 9: Exhaust System
Exhaust Manifolds
Catalytic Converters
Air Intake
Performance Project: Installing a Pypes Exhaust System
Performance Project: How to Properly Dimple Headers

Source Guide

Customer Reviews