Speed Density

What is Speed Density?

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.

See cars, efi, sd

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All you need for a faster workflow in one place.

Speed Density Edit Meaning