Archives: Fuel Injection Racing Secrets 2nd edition

Posts related to our book, Fuel Injection Racing Secrets.

Good Fuel Pressure with a New MFI System

Setting up a new MFI fuel system: main bypass adjustment to control the air to fuel ratio adjustment of the combination of the main bypass and nozzle sizes to maintain an optimum fuel pressure range from the lowest to highest engine RPM. Changing the main bypass jet for tuning affects the air to fuel ratio […]

Solutions to Idle Lope in Mechanical Fuel Injection

Customer Inquiry One of our customers recently inquired about idle lope in his funnycar dragster.  ‘What can I do to minimize idle surge on our funny car?  It’s difficult to stage at the starting line.  It has a Bruno (torque converter), Lenco transmission, Enderle Bird Catcher fuel injection hat, Enderle K type barrel valve with […]

Rons Low Cost Throttle Body Fuel Injection CFM & HP Capabilities

Rons Fuel Injection has provided us with air flow data for their throttle body setups.  We analyzed the power potential of these simple and very popular fuel injection systems. Racing engine size capabilities were determined at the flow CFM numbers provided by Rons Fuel Injection.  For 100% air density, horsepower capabilities were also determined. Rons […]

Greg Means Racing wins Nost Elim drags

Congradulations to the Greg Means racing team for winning the Nostalgia Eliminator I drag racing class at the Sacramento Funny Car fever race. Greg’s setup lasted to a final round win. Not too long ago, Greg took his team to a high altitude drag race track, adjusted for the altitude, and ran his number right […]

Dyno Prep’ed 572

Mr. Szabo Just an update on my 572. Went to the dyno and made 968 hp, 833 lbs/ft torque. This is with Ron’s Terminator, a 01/2 twin gear pump, .037 nozzles, and a .102 main jet. Air/fuel ratio was 5.3. I was pleased! The information in your books was very helpful and allowed me to […]

Fuel Injection Setup & Tuning

… by Experience & Gut Feel Throughout the racing community, experience and gut feel are the most common methods for the selection of nozzle and jet size numbers for setup and tuning of mechanical fuel injection. It is a form of iteration or ‘connecting the dots’. Given enough time and expense, experience from good and […]

Uniform Standard of Units

Throughout our publications, air intake and fuel delivery values are converted to a ‘uniform standard of units’. That is “pounds per revolution”. The tuning demands for weight of air and weight of fuel become easy to understand, record, and analyze with that numerical value. And easy to change in fine tuning increments with this simple […]