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Master EFI Tuner - GM EFI
This book, Master EFI Tuner - GM EFI, will provide you with all of the necessary theoretical knowledge required to understand and tune General Motors' EFI systems. You get straight forward information that is easily understood and immediately useable by you to tune your own engine!

Tuner's Pro Kit - HP Tuners GM Pro & Master EFI Tuner - GM EFI
Become a Master EFI Tuner! This kit includes HP Tuners Pro tuning software and Master EFI Tuner - GM EFI, our 207 page EFI tuning book that includes in-depth tuning information & theory along with dyno-proven case studies that show you how the tuning process is applied to real-world examples. With this package, you'll save money and be able to tune vehicles like a Pro!

Welcome to MASPORT SPEED SHOP

Welcome to MASPORT SPEED SHOP, your EFI TUNING EXPERTS.

ORDER YOUR COPY OF MASTER EFI TUNER - GM EFI NOW! Master EFI Tuner has proven to be a smash hit with EFI tuners and shops alike, so it's no wonder that we've already sold out of FIVE print runs! CLICK HERE to GET YOUR BOOK ORDERED TODAY!

COMING SOON: MASTER EFI TUNER - GM EFI - featuring EFI LIVE. This new book is similar to our current GM EFI book but features the use of EFI Live tuning software. There are new case studies that show how the tuning process is applied in real-world applications using EFI Live tuning software to help you get the most power and efficiency possible out of your GM engine with your EFI Live software!

ALSO COMING SOON: MASTER EFI TUNER - FORD EFI. Learn how to tune Ford EFI vehicles with this new tuning book coming in September, 2010. Same quality, just as easy to follow, now for the FORD FANS!!

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