During the late '90s, carburetor tuning and modifying received something of a jolt when Barry Grant introduced his racing four-barrel, the Demon. The innovations included streamlined air intakes, ...

For more than 50 years, the classic Holley 4150-style four-barrel has remained a constant presence in the automotive world, as it evolved into almost countless versions for OEM and aftermarket ...

Gasoline is volatile when vaporized with oxygen. As a motor fuel, gasoline burns best at a ratio of 14.7:1-roughly 14.7 pounds of air to each pound of gasoline. This optimal burn, known as ...