4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

throttle body or mass air flow

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Old 06-20-2005, 02:04 PM
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mike3219
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Default throttle body or mass air flow

what should come first, mass air flow or throttle body. and what size should i get
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Old 06-20-2005, 02:11 PM
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DuckyGt
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Default RE: throttle body or mass air flow

there really is no point of getting a bigger MAF unless your getting blown, you really wont exceed the factory one. get a tb and plenum from rpmoutlet.com for $300. either accufab 70mm tb and plenum or accufab 75mm and C&L plenum. ive also heard they started to carry a BBK plenum havent heard any feed back yet so cant recommend it. i havent had a problem with any of my BBK stuff ever tho.
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Old 06-20-2005, 02:48 PM
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Deannostang
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Default RE: throttle body or mass air flow

New throttle body and Accufab plenum and forget the MAF. All bolts right on and your computer can handle the change very easily. Any new MAF must be calibrated properly for whatever lb injectors you have otherwise your car will run like dog crap. Don't forget to disconnect your battery before doing any engine mods. It helps your computer recalibrate your engine specs to your new parts much quicker.
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Old 06-20-2005, 03:06 PM
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DILO2001GT
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Default RE: throttle body or mass air flow

what about for nitrous? if your running a 100 shot does your mass air work fine with that?
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Old 06-20-2005, 03:07 PM
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code3GT
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Default RE: throttle body or mass air flow

Keep the stock MAF even for a 100 shot.
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Old 06-20-2005, 06:27 PM
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ghoste
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Default RE: throttle body or mass air flow


ORIGINAL: DuckyGt

there really is no point of getting a bigger MAF unless your getting blown, you really wont exceed the factory one. get a tb and plenum from rpmoutlet.com for $300. either accufab 70mm tb and plenum or accufab 75mm and C&L plenum. ive also heard they started to carry a BBK plenum havent heard any feed back yet so cant recommend it. i havent had a problem with any of my BBK stuff ever tho.
I installed my new BBK Plenum saturday. I noticed a lil performance difference, but slight. Idle is alot more steady, instead of pulsing here and there.
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