Thanks to the ubiquity of text on the Internet, not to mention the popularity of text-messaging on cell phones, we may well be reading more today than we did in the 1970s or 1980s, when television was our medium of choice.
A larger throttle body delivering air at a higher rate helps you feel faster acceleration and a surge in engine power by up to 25 hp. Additionally, you can install a throttle body spacer to further enhance your fuel economy and increase engine torque.
Crude example - if the chosen throttle body is so big, that at 80% throttle opening, it's able to provide the engine with all it's airflow requirement, then opening it further does nothing. In a more complicated analysis, the throttle body is a tuned parameter. â chilljeet Feb 4 '16 at 5:59