AIR FUEL RATIO, HORSEPOWER AND STOICHIOMETRY As most of us learned early in our hot-rod schooling, air-fuel (A/F) ratio is calculated by dividing the pounds of air an engine inhales by the pounds ...

It is commonly accepted that most Mopar V-8 engines respond to an air/fuel ratio somewhere between 12.5 to 13.2 parts air to every one part of fuel, or a ratio of 12.5:1 to 13.2:1, and being able ...