The last time we talked about carburetors, we focused on getting the idle mixture and speed in line. But that’s not all that a carb requires of its owner. Having your idle in line doesn’t mean the car ...

Why is the Holley carburetor the most popular fuel mixer among racers and the general public? Ultimate power production is one reason, but it's a lot easier to tune and work on a Holley than a Q-jet ...

With our M715 sucking down fuel at a rate of 4 mpg, we knew we had to do some-thing. We were running a Holley 670cfm Truck Avenger on our Chevy V-8, and thanks to an AEM wide-band O2 sensor, we knew ...

For many enthusiasts, the carburetor is some sort of black magic device that feeds an engine fuel to run. Short of bolting it on and maybe turning the base idle screw to keep the car running, few ...

Mechanical fuel injection was always an expensive and finicky deal. Then along came the microchip and electronic injectors and everything got easier. Mainstream soothsayers predicted the total demise ...