Quick Fuel Technology Technical Info

Carb Class: Baseline settings for your new carburetor

A question frequently asked here at Quick Fuel Technology is how to properly install and setup a new carburetor. Our focus is more on the setup than installation in this commentary. Some racers are ver…

Carb Class: The Benefits of Billet

Over the years the term "billet" has become synonymous with many things. When the word billet is first heard someone might instantly think the object in question is either shiny or …

Carb Class: Fuel Requirements / Fuel Flow

Admittedly a scary title, something every racer should ensure is an adequate fuel system. Sometimes simple things stand in the way of glory and fuel delivery can be the gremlin before the…

Carb Class: Basic Principals of Carburetor Operation

Carburetors, contrary to popular opinion, are a very basic device similar in relative design since Henry Ford and his Model T. The same basic things make them tick no matter who designed it. People over the years have…

Carb Class: Air Bleed Basics

You've heard of them, but what do they do? Air bleeds, sometimes referred to as "air jets" or "air bleeders" play a vital role in the operation of your carburetor. Air bleeds are responsible for determ…

Carb Class: Horsepower in the Details

Billet metering blocks are a standby if you purchase a Quick Fuel Technology race carburetor - what does that really mean to you? The word billet means precision, quality, and maybe even good looks. To…

Carb Class: Giving the bog the boot

Q: I can’t get the “Bog” out of my mechanical secondary carburetor what’s wrong and how can I fix it?

The sole purpose of the accelerator pump system is to provide a co…

Carb Class: Bog Issues Continued

Q: In your previous explanation of the accelerator pump system one item you did not address is shimming the pump arm spring.  Is this a good idea or not?

An…

Carb Class: Best Jetting

Question: I hear a lot of theories about best jetting.  How do I know what the best jet is for my combination?

Answer: The short and quick answer is whatever…

Carb Class: Fuel Bowl Basics

In past issues we have discussed that horsepower can be found in the individual components of carburetors - one often neglected component that is integral to the performance of your race car is the fue…

Carb Class: Throttle Stop Tips

Q: All the Carb Class questions to this point appear to relate to tuning for best performance.  Do you have any carburetor recommendations for the throttle stop classes?