Blog

Welcome to Bob’s Blog! This is where Bob will post tips, tricks, and experiences he has with other racers. Check back often to read what Bob has been up to.

Sprint Car Racing Placerville, Ca Wednesday, March 29, 2017

Tuesday, March 21st, 2017

Top of the class 410 Sprint Car racing at Placerville Speedway, Placerville, California, Wednesday, March 29, 2017.  Let us know if you are racing.  We’ll look you up.  These are 800+ HP monsters competing for the purse.  Kinsler, Hilborn, & Engler fuel injection are common.   The event is presented by http://www.woosprint.com/placerville-speedway. Sprint Car tune-ups are featured in our new publication: High HP Tuning for Mechanical Fuel Injection.

Fuel Injection Evolution

Sunday, February 19th, 2017

Mechanical fuel injection is holding its own against EFI and racing carbs in racing. It is simple, lower cost in many applications, and good for fuel pressure increases for more response & power. One recent application tested racing carbs, EFI, and mechanical fuel injection all on the same racing engine. Another recent application tested mechanical fuel injection against racing carbs in a factory developed combination. In both applications, mechanical fuel injection was good for about 5% more horsepower. Fuel pressure is limited in common EFI racing packages. Reduced flow from the venturi’s is a limit in carbs.

Kind words from Jim Kinsler

Thursday, October 27th, 2016

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 your books… all the details and examples of how things work are just great.

Thanks for your very nice “Special Thanks” at the front of your book, and for mentioning us by name through the book.

Brad and Greg thank you for their copies….

I hope that everything is going well for you.

With warm regards,
Jim

Testamonials

Wednesday, October 5th, 2016

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 to the next as it flows chapter to chapter. Now I understand why and how the different aspects fit together and can make better calls and decisions. The 5000 Horse Power On Methonol book goes with me to the track so if need to, I can use the
formula’s and figure it out long hand on paper. Looking forward to positive results.”

Regards,
Rickey Smith

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“Do any of your books touch on the use of the Pete Jackson blown alcohol barrel valves? … Bob got your books they are outstanding!!”

Keith Grieves

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‘bracket drag racing using ProCalc to maintain AFR with jetting adjustment for air changes … unheard of 0.0005 second ET repeatability during bracket racing competition from early morning all day to late night’

Denis Page, Clinton, Ma, USA

New ProCalc videos

Thursday, September 29th, 2016

ProCalc easier to use with new instructional videos. Save MFI tuning time with ProCalc. Check out youtube links on http://airdensityonline.com/pro-calcs/

Video Demo for High Horsepower Tuning For Mechanical Fuel Injection

Monday, September 5th, 2016

We recently made a demo video for our latest book, High Horsepower Tuning for Mechanical Fuel Injection for Normally Aspirated Engines. Watch it here:

You can check out the more information about this book including the index and table of contents in our store!