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New ProTuning Package coming 2017

We are working on a new tuning package for our fuel injection jetting calculator, ProCalc. We can set up ProCalc specific to your combination. If you have a flow bench test, dynamometer setup, or prior runs, we can transfer that to ProCalc. We are matching brake specific fuel consumption, air to fuel ratio, and other […]

Kind words from Jim Kinsler

When we released our latest book, High Horsepower Tuning for Mechanical Fuel Injection, we received a very kind letter from Jim Kinsler of Kinsler Fuel Injection: To: Bob Szabo I have enjoyed reading through your “High Horsepower Tuning for Mechanical Fuel Injection”. Very nicely done! Bob, it is nice to see how thoroughly you do […]


Recently we’ve gotten some positive feedback we wanted to share: “Thank You for the prompt reply and formulas you provided, now onward…….. Just want to tell you how much your books helped me in the tuning area. The reading was technical but interesting and informative. I found myself reading each chapter twice before moving on […]