|
Welcome. When you have time, it is a common discussion & there are plenty of member contributions throughout the site.
The nineties trend of customizing with cold air intakes facilitate more oxygen per volume sends the signal/message to add more fuel to proper ratios, hence more hp but lower FE (+ Aggressor body kits & big rear wings...etc.).
The current oughties trend is the opposite. WAI lowers the oxygen per volume going through the O2 mass sensors and the corresponding fuel/air ratio is leaner hence lower hp but lower fuel use (+ grill blocks & wing deletions...etc).
Leaner combustion requires close monitoring of spark plugs & injectors.
|