TwinTurbo.NET: Nissan 300ZX forum - Great analogy.
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Subject Great analogy.
     
Posted by Ash's Z on January 30, 2007 at 1:48 PM
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In Reply To MAF vs. MAP posted by pionkej on January 29, 2007 at 07:36 PM
     
Message The easiest and most accurate way to say it is that a MAS measures the mass of the air, which directly relates to the quantity of oxygen the engine is consuming.

A MAP system uses pressure, temperature and a lookup table relating to volumetric efficiency of the engine to determine the quantity of air the engine is consuming. The complexity of the system has its shortcomings - namely in thermal creep of the temperature sensor as well as actually tuning it.

MAS > MAP^n

FWIW, we put down some 1000+ RWHP with a dual-intake MAS setup on Russell Floyd's TT 'vert.




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