Top Definition
The 2nd most inaccurate form of fuel metering for an Electronic Fuel Injection (EFI) system. Vastly inferior to Mass Air.
The Speed Density equipped 5.0L engine makes 140hp. The Mass Air metered engine makes 215hp.
by Liquid_Table October 24, 2005
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×