HP Books HPB-HP1557 Performance Fuel Injection Systems EFI & ECU Tuning Guide

Performance Fuel Injection Systems HP1557 by Matt Cramer and Jerry Hoffmann is a comprehensive, practical reference guide for anyone looking to design, build, modify, or tune electronic fuel injection (EFI) and engine control unit (ECU) systems. Written by engineers and founders of DIYAutoTune.com, this 192-page paperback delivers real-world expertise for both beginners and experienced tuners.

The book opens with essential foundational topics covering wiring, fuel systems, sensors, and ignition system types — giving readers a solid understanding of how modern EFI systems operate before diving into more advanced material.

Key Topics Covered:

• How to design, build, modify, and tune EFI and ECU systems
• Understanding components, sensors, fuel delivery, and ignition requirements
• Re-tuning factory (stock) ECUs for improved performance
• Piggyback computer systems and their applications
• Standalone engine management systems (EMS) — selection, configuration, and setup
• Getting the engine started and prepping for a full tune
• Tuning for maximum power and drivability
• Acceleration enrichments and closed-loop fuel correction
• Real-world case studies featuring different vehicles and EMS solutions

Book Specifications:

• Authors: Matt Cramer & Jerry Hoffmann
• Publisher: HP Books
• ISBN: 978-1-55788-557-9
• Pages: 192
• Binding: Paperback
• Manufacturer Part Number: HP1557

Whether you're tuning a street-driven classic, a road course club racer, a drag car, or a land-speed vehicle, this guide provides the knowledge needed to implement and optimize electronic fuel injection with confidence.