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Discussion Starter #1
Is an 03 MAF off a crown vic or an explorer the same as the mustang MAF?

Thanks alot
Will
 

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Discussion Starter #4
and the part # for an 03 Vic Maf is 3W7A-12B579-AA are the sensors the same?
 

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3W7A-12B579-AA or YC2F-12B579-AA or BA
YC2F-12B579-AA - 80mm
3W7A-12B579-AA - smaller but bigger than stock

but which sensor is better or more accurate?
 

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A CV maf is smaller than the mustang.

The mustang maf won't work for you without a tune.
 

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i have both mafs and my eec is tuned for an "02 gt" i also have a 85mm housing just wondering because if the vic sensor is more accuraute i want to put that in the 85mm housing and get a tune to match that

Can i do anything now with the 85mm that wouldnt require further tuning? or is the 85mm too much ?

i also have this 03 vic plenum 3w73-9a689-ca and was told it allows 15% more air flow is this true ?
 

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anything after about 02 is better than stock. don't bother mix-n-matching. Your tuner won't want to deal with your car, especially if it doesn't need anything other than an upgraded oem-style setup (maf with matching housing).

Anything and everything dealing with maf swaps ABSOLUTELY REQUIRE tuning to have the car running properly.
 
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