When it comes to carburetor tuning, there is literally "no substitute for experience." The most successful tuners possess a near-instinctual "feel" for fuel system problems, based on their years of ...

In a time not long past there was that guy down the street from you--that special car-crafting guru who could tune an engine by ear. He was revered by the local gear heads for his uncanny knack for ...

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 ...

A lambda probe (or oxygen sensor) can be found on the exhaust system of most cars running on unleaded fuel. Having reached its normal operating temperature (of about 600 degrees Celsius!) the lambda ...

Pop open the hood on a Ferrari 250 GTO (if you happen to own one or are part of a team that restores these $70-million cars when they go up in flames), and you'll see a 300-horsepower V12 with six ...

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 ...