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speed density vs. mass air?

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Old Jan 14, 2005 | 04:44 PM
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speed density vs. mass air?
does anyone know what year the 351ws in f250s changed from speed density to mass air?thanks,Kevin.
 
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Old Jan 15, 2005 | 02:52 AM
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Probably 95 in California, and 96 for the rest of the country.
 
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Old Jan 15, 2005 | 06:25 AM
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thanks.kevin.
 
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Old Jan 15, 2005 | 06:32 AM
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How can you tell the difference? Are they different in appearance? Thanks.
 
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Old Jan 16, 2005 | 02:24 AM
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The MAF truck will have a sensor that all the air for the engine goes through. It'll be in between the air filter and throttle body, with a plug on it with five or six wires coming out. The speed/density engnie doesn't have this.
 
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