Wideband O2 sensors play a pivotal role in the realm of automotive tuning, providing precise measurements of the air-fuel ratio necessary for optimizing engine performance. Unlike their narrowband ...

A once-in-a-lifetime opportunity befell three '12 HOT ROD Power Tour participants—the chance to have Holley Performance Products' Senior Product Manager and carb tuner extraordinaire Jay McFarland ...

Rome wasn't built in a day, and neither were carburetors. Just like the ancient Roman aqueducts achieved a technically demanding task using archaic resources, the carburetor was designed to perform ...

Think you can't have a small-block that lays down 556 hp, 512 lb-ft of torque, 120-mph trap speeds, and 21 mpg on the highway without dropping three grand on a slick EFI setup? Think again. The secret ...

If you build engines, tune cars, or even just like mashing your foot on the throttle with conviction, you’ve probably heard the term “wideband O2 sensor” being thrown around at the track, dyno ...