Tag: Engine tuning

Over 40% of new passenger cars sold globally are equipped with a turbocharger, and for performance enthusiasts, mastering boost control is the key to unlocking an engine's true potential. Learning how to make a perfect boost involves a combination of mechanical upgrades, electronic tuning, and precise adjustments to optimize pressure and power delivery.

Pure ethanol can have an octane rating of around 113, which is significantly higher than premium gasoline. But for the average driver, the question 'Does ethanol give you more power?' has a more nuanced answer, depending heavily on the engine type and tuning. In fact, simply switching fuels in an untuned vehicle can result in a power *loss* due to ethanol's lower energy density.

For pure octane gasoline, the stoichiometric, or ideal, air-fuel ratio (AFR) is exactly 15.1:1. This means that a 15.1 AFR is not strictly rich or lean, but represents a state of perfect chemical balance for a specific fuel type. However, when applied to standard pump gasoline with additives like ethanol, this ratio behaves differently.