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Performance Fuel Injection Systems HP1557: How to Design, Build, Modify, and Tune EFI and ECU Systems.Covers Components, Se nsors, Fuel and Ignition ... Tuning the Stock ECU, Piggyback and Stan Paperback – Illustrated, August 3, 2010

by Matt Cramer (Author), Jerry Hoffmann (Author)
4.7 4.7 out of 5 stars 382 ratings
See all formats and editions
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A practical guide to modifying and tuning modern electronic fuel injection (EFI) systems, including engine control units (ECUs). The book starts out with plenty of foundational topics on wiring, fuel systems, sensors, different types of ignition systems, and other topics to help ensure the reader understands how EFI Systems work. Next the book builds on that foundation, helping the reader to understand the different options available: Re-tuning factory ECUs, add on piggyback computers, or all out standalone engine management systems. Next Matt and Jerry help the reader to understand how to configure a Standalone EMS, get the engine started, prep for tuning, and tune the engine for maximum power and drivability. Also covered is advice on tuning other functions-- acceleration enrichments, closed loop fuel correction, and more. Finally, the book ends with a number of case studies highlighting different vehicles and the EMS solutions that were chosen for each, helping to bring it all together with a heavy emphasis on how you can practically approach your projects and make them successful!
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Previous page
  1. Print length
    160 pages
  2. Language
    English
  3. Publisher
    HP Books
  4. Publication date
    August 3, 2010
  5. Dimensions
    8.47 x 0.29 x 10.88 inches
  6. ISBN-10
    1557885575
  7. ISBN-13
    978-1557885579
  8. See all details
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Editorial Reviews

Review

Awarded the 2010 International Automotive Media Awards Bronze Medal for best written Technical Reference Book (2nd place award, there was no silver in 2010)-2010 IAMA Awards

About the Author

Matt Cramer is the chief technical engineer and programmer for DIYAutoTune. Jerry Hoffmann is the founder of DIYAutoTune.com. They live in Georgia.

Product details

  • Publisher ‏ : ‎ HP Books; Illustrated edition (August 3, 2010)
  • Language ‏ : ‎ English
  • Paperback ‏ : ‎ 160 pages
  • ISBN-10 ‏ : ‎ 1557885575
  • ISBN-13 ‏ : ‎ 978-1557885579
  • Item Weight ‏ : ‎ 15.4 ounces
  • Dimensions ‏ : ‎ 8.47 x 0.29 x 10.88 inches
  • Customer Reviews:
    4.7 4.7 out of 5 stars 382 ratings

About the authors

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  1. Jerry Hoffmann

    Jerry Hoffmann

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    Full content visible, double tap to read brief content.

    Jerry Hoffmann is the founder/CEO of DIYAutoTune.com. With an IT background and being a lifetime car-guy hobbyist, he found a need for affordable engine management and education during one of his own projects when turbocharging a personal car and melded his computer career with his love for cars. His company specializes in equipping the Do-It-Yourselfer to actually hand-build and implement Electronic Fuel Injection systems in their own garage. And as such he has installed and tuned EFI systems on numerous vehicles, street driven classics, road course club racers, drag racers and land speed cars out at the Bonneville Salt Flats. His aim is to help others to understand EFI in a practical hands-on manner, with less interest on the engineering-ease, and more focus on the practical need-to-know-how. Empowering people to affordably and educationally build and implement their own EFI systems on their favorite automotive monstrosities.

    See more on the author's page
  2. Matt Cramer

    Matt Cramer

    Brief content visible, double tap to read full content.
    Full content visible, double tap to read brief content.

    My first car was a 1966 Dodge Dart - in 1996. I'd wanted something interesting that didn't cost too much money, only to find that to keep an interesting and cheap car on the road can take a lot of work. Not only did I learn a lot about wrenching from that car, but a project at converting it to fuel injection landed me an engineering job with DIYAutoTune.com, an aftermarket engine electronics firm.

    That job led directly to writing my first book, Performance Fuel Injection Systems, along with my co-author Jerry Hoffmann. A lot of the book was inspired by questions I've often heard customers ask and by experience with straightening out installations gone wrong. I also do freelance writing for automotive magazines and websites, such as Grassroots Motorsports and Miata Journal.

    My own taste in books can be all over the map, although mysteries and high fantasy are two genres I read often. Some of my favorite authors include Tom Clancy's earlier works, C.S. Lewis (both his fiction and nonfiction), and Flannery O'Connor.

    See more on the author's page
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Customer reviews

4.7 out of 5 stars
4.7 out of 5
382 global ratings
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Top reviews from the United States

Thomas C. Clapp
5.0 out of 5 stars Perfect level of detail
Reviewed in the United States on September 8, 2010
Verified Purchase
Ok -
1) So pick your favorite car magazine.
2) Now try to remember the best 'tech' article that you ever read in that magazine.

If you're like me, you found that 'tech' article fascinating and informative; maybe you couldn't put it down until you finished it, and then you ran to the garage to try out what you learned.

This book is like that - except it's a WHOLE BOOK instead of just some little snippet!

I got the book in the mail the day before I went on a short vacation to the beach. I plopped onto the sand, and read every single page - cover to cover. My wife thought I was nuts to be reading a fuel injection manual instead of frolicking in the surf. The book is THAT good.

It really spells out how all the sensors 'talk' to each other, how to map out what your EFI system should look like for your particular application, what components you can borrow from existing cars, and several other nice tips.

If you know nothing about DIY EFI, this will give you a great overview. If you know think you know everything about DIY EFI, this book might teach you something.

It is NOT a step-by-step instruction manual - but it will provide excellent guidance and clarity to you as you build your system. Most of the info you would need to build your own EFI system is online somewhere, but it can be tough to understand the jargon and the measurements. This book helps keep you on course as you learn.

Well written, well worth the money - even if you never build your own system, it'll help you understand how your car works. It may even help you make a basic repair the next time your factory system breaks down.

Love it.
8 people found this helpful
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K Redden
5.0 out of 5 stars If you are only going to buy one book on EFI, buy this one
Reviewed in the United States on September 5, 2010
Verified Purchase
I bought several other EFI books before I built my MegaSquirt kit from DIYAutoTune (the author's store) and they did a reasonable job explaining how things works and how to tune your new EFI system but spent a lot of time and effort on the mathematical aspects. While it helps to know some of the equations they spent many pages on all of them that I just ended skipping over.

This book took a different, more practical approach. They explained the couple equations you had to know and put the rest in an appendix you could look at if you were interested. I found the discussion on proper wiring very helpful which might explain a couple of the issues I'm having with my system. The book is laid out in a very logical format with an appropriate number of pictures and illustrations. The only thing I was a little disappointed in was that I had been hoping they would spend a lot more time on MegaSquirt specific topics given that is what they sell in their store but of course that would have limited the market for the book quite a bit. They did spend some time on the MS (and that is what they used in their case studies at the end) but also discussed a number of other available systems.

All in all I would say if I was starting over and could only buy one book on EFI, then it would be this one.
5 people found this helpful
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D Walker
5.0 out of 5 stars What you need to know
Reviewed in the United States on February 16, 2011
Verified Purchase
If your'e just getting started in EFI this book is ideal for you. Covers all the basics from fuel line and sizing to airflow metering and which setup is going to best for your application. Gives a run down and basic listing of most known after-market stand alone EFI systems and what they will allow you to accomplish, making deciding on which unit you want a snap. Where this book shines is from chapter 12 on. Explaining, in enough depth to ensure a number of re-reads, how to configure and tune your engine management system. The detail here is brilliant, giving you a place to start with everything from calculating and finding ideal ignition timing to engine fueling needs in warm-up and acceleration enrichment. There are almost step by step instructions here when you get to the dyno or a track to begin tuning. There are also three system installs in the rear of the book explaining the use of the Megasquirt system on a V8, a turbo MR2 and a Zetec kitcar. The diagrams, tables and photos are of excellent quality. At 150 odd pages it is not surprising how little fill has been required to cover what will get you from an EFI zero to an EFI hero, well maybe not hero but enough to get your vehicle running. Excellent.
4 people found this helpful
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Dr. Jass
4.0 out of 5 stars An expansive, all-encompassing book, not a "how to tune [insert your combo here]" manual.
Reviewed in the United States on August 17, 2014
Verified Purchase
This is an excellent primer on electronic fuel injection systems, their construction and operation. It covers a lot of the various aftermarket options' high and low points without being overly critical or gushing about any of them. If you are looking for a lot of specific information on tuning, this is not your book nor is it if you're expecting a lot of MegaSquirt information since Mr. Cramer is part of DIYAutoTune. This is more of an overall view, almost a textbook, and it's an excellent one. It will not teach you to tune your specific car, other than to explain the best way: pay for the dyno time and work it 'til it rocks. If you really want specific information about your system and/or combination in particular, join an online forum and start reading there.
4 people found this helpful
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Johann
5.0 out of 5 stars No matter how much you think you know about EFI...
Reviewed in the United States on February 15, 2014
Verified Purchase
In the last 25years, I have pulled off some noteworthy engine and vehicle builds, including a Megasquirt II-Extra managed Eaton-supercharged Suzuki G16, and lately a MS3x turbo'd B16A1. Yes, all that knowledge of Holleys and Rochesters and Webers (oh my!) has been buried in dust and cobwebs since I discovered how to micromanage EFI. Cramer & Hoffmann (some of the most respected minds in the Megasquirt community) have shown me once again that there is more to learn - and more to be understood - on the topic. This book covers all types of systems, and to my surprise, they left very little room to discuss Megasquirt. Other standalone and OEM designs are used as examples instead, with deference and without bias, to educate the reader. Clearly written and full of useful illustration, this is the best book on the topic I've got- and I have a 6' bookshelf of automotive literature. Thank you guys for continuing my education!
3 people found this helpful
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Top reviews from other countries

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Blucifer302
5.0 out of 5 stars I bought a book but can't read
Reviewed in Canada on August 16, 2022
Verified Purchase
I like to tune engines and this book did help alittle. But they still don't reveal how to properly tune efi systems.

Dam reptile people holding all the tuning secrets.
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Mario Bosato
2.0 out of 5 stars Americanata
Reviewed in Italy on April 15, 2024
Verified Purchase
Un trattato documentaristico che vi darà una infarinatura a livello molto leggero sull’elettronica legata al motore a combustione. Non ci troverete soluzioni concrete ma solo consigli fai da te.
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Thomas Siewert
5.0 out of 5 stars Ein lange gesuchtes Buch zum Thema!
Reviewed in Germany on December 26, 2021
Verified Purchase
Klasse Zugang zu der Problematik, typisch amerikanisch, praxisorientiert und direkt. Man versteht, was zu tun ist, ohne theoretische Bezüge aus den Augen zu verlieren.
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Sergiopontevea
5.0 out of 5 stars Justito
Reviewed in Spain on November 9, 2019
Verified Purchase
No explica nada de otro mundo, en lo referente a Ecus y mapeado es simplemente una introducción. Está entretenido pero para un nivel medio no aporta nada
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Pedro
5.0 out of 5 stars A must have
Reviewed in France on January 26, 2015
Verified Purchase
simple clear well written, i ve read a lot of book dealing with tunning but it's far away the best.
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