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» Northern California Ford Owners     » Automotive   » Tech Talk   » Mass Air vs Speed Density

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Author Topic: Mass Air vs Speed Density
FoFF
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I know this is probably a noobie question but what's the difference and which is better?
Posts: 503 | From: Oakland, California | Registered: Aug 2002  |  :
Stimson
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I'll give you the short version....

Speed density calculates how much air the motor is sucking in via the pressure in the intake manifold.

Mass Air calculates how much air the motor is sucking in by calculating the *mass* of the air coming in thanks to the mass air meter

Speed density is best for a stock or near stock motor, mass air is more adaptive and can handle mods better.

Posts: 2373 | Registered: Jun 2000  |  :
IRISH
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quote:
Originally posted by Santiago:
I know this is probably a noobie question but what's the difference and which is better?

Go with mass air. I just got mine on today. Its really cool!
Posts: 937 | From: 510/925 | Registered: Aug 2002  |  :
FoFF
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quote:
Originally posted by st5150:
I'll give you the short version....

Speed density calculates how much air the motor is sucking in via the pressure in the intake manifold.

Mass Air calculates how much air the motor is sucking in by calculating the *mass* of the air coming in thanks to the mass air meter

Speed density is best for a stock or near stock motor, mass air is more adaptive and can handle mods better.

Cool thanks and I believe my car comes with mass air already since it's a 88 gt.
Posts: 503 | From: Oakland, California | Registered: Aug 2002  |  :
Stimson
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'88 5.O's designated for California got mass air. If there is only a black tube between your air filter box and throttle body, then you have a speed density 5.O
Posts: 2373 | Registered: Jun 2000  |  :
Mikal
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SD chips www.nitrousracing.com
Posts: 57 | Registered: Dec 2001  |  :
166 Merlo
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www.50tech.com

they'll give u the skinny

--------------------
'89 - Boss Coupe
'70 - Drop Cutthang
'68 - Cougnut
'87 - 0166, Its real

Posts: 3954 | From: Thebay | Registered: Jul 2002  |  :


 
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