Welcome to Mustang Evolution.
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03-16-2004, 04:20 PM
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#1
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CAI on 2004 3.9L
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Registered User
Join Date: Mar 2004
Posts: 14
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I will ask this group since the so called "Professionals" don't know.
I am interested in purchasing a Cold Air Intake for a 2004 Mustang with 3.9L v6. I notice that you have one for a Mustang 3.8L V6. Will this one work with my 3.9? If not do you sell one for the 3.9 yet?
In case your interested in mustangtuning.com's answer:
Nathan,
Ford never made a 3.9L V6 mustang in 2004. The 3.8L V6 kit will fit on your car fine.
This is directly off of my Window Sticker:
Vehicle Engine Information
2004 MUSTANG, 3.9 LITER ENGINE, 6 CYLINDERS (FEEDBACK FUEL SYSTEM), FUEL INJECTION, CATALYST, 4-SPEED AUTOMATIC TRANSMISSION.
Actual mileage will vary with options, driving conditions, driving habits and vehicle's condition. Results reported to EPA indicate that the majority of vehicles with these estimates will achieve between 16 and 22 mpg in the city and between 22 and 30 mpg on the highway. |
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03-16-2004, 04:32 PM
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#2
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Eyes So Tight I Pass For An Asian
Join Date: May 2003
City: Huntsville
State: Alabama
Posts: 27,548
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Yep it will work fine with your 2004. Just make sure you get the 99+ cold air intake and not the 94-98 one and you should be fine. I dont think they changed anything other than the rods/crank on your engine compared to a 2003 |
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03-16-2004, 04:37 PM
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#3
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Registered User
Join Date: Jun 2003
City: Gulf Breeze
State: Florida
Posts: 4,689
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Actually I think the only differance is the bore.... i'll have to find my ford racing catalog, its in there. But as Brent said you shouldn't have a problem as long as you get one thats 99+.
__________________
-Tony
'99 cobra 'vert
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03-16-2004, 04:45 PM
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#4
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zoom zoom
Join Date: Jul 2003
City: College Station, TX
Posts: 2,613
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01mingray, a 30 over bore should make for a 3.9l, but i had heard it was stroker? |
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03-16-2004, 04:54 PM
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#5
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Registered User
Join Date: Jun 2003
City: Gulf Breeze
State: Florida
Posts: 4,689
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Yep, I was wrong the bore on both engines is 3.81, stroke on the 97-2003 is 3.39, the '04 is 3.464, and it(ford racing catalog) also says that the Compression distance, piston pin to top of piston, is '97-'03 1.450, and the 2004 is 1.410, every thing else lists the same.
__________________
-Tony
'99 cobra 'vert
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03-16-2004, 04:57 PM
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#6
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zoom zoom
Join Date: Jul 2003
City: College Station, TX
Posts: 2,613
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being that they are crappy hypertenic (sp?) pistons i'm sure this'll make them weaker. that's a ghetto way to get a few more cubes, but it's the easiest. |
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03-16-2004, 05:45 PM
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#7
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FormerMod
Join Date: May 2003
City: Riverside County, CA
Posts: 3,405
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Yes, the induction system is still the same (splitport). A 99+ CAI will work on your '04.
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03-16-2004, 07:11 PM
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#8
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Registered User
Join Date: Mar 2004
Posts: 14
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Thanks all!! I was just blown away that a store that only sells Mustang Parts had never heard of the 2004 having a 3.9L. |
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03-16-2004, 07:14 PM
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#9
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I liek gramer
Join Date: Jan 2004
City: Birmingham
State: Alabama
Posts: 19,169
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yeah, i just heard about it recently. at first i was like, nu uh... but I looked up why. |
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03-23-2004, 10:43 AM
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#10
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The Mustang's Human Twin
Join Date: May 2003
City: Terre Haute, SC for a bit
State: Indiana
Posts: 1,638
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Huh, I heard about it long ago, but I make it a point
to find out these things. It is because of the minivans
that the change was made, at least those poop-boxes
are good for something now and again! 
__________________
Originally Posted by Flex:
You are the true cam master dude...
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03-23-2004, 03:01 PM
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#11
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Concordium
Join Date: Mar 2004
City: Houston, Tx
Posts: 82
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yes any 99+ CAI will fit. but as stated before make sure you get one for 99+ and not for 94-98. the angle at which the intake tube enters the throttle body is slightly different between the 94-98's and the 99+'s.
__________________
Silver '96 V6
Mods: True Dual Exhaust, Flowmaster 40's, Cobra Diamond Clear Headlights and Side Markers, Shortened Antennas, Blue Dome Light, Metallic Blue Painted Calipers, 4.10's w/ T-Lok coming in a few weeks.
http://www.mizzoustud.com/pics/conc.png
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03-23-2004, 03:27 PM
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#12
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FormerMod
Join Date: May 2003
City: Riverside County, CA
Posts: 3,405
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Your phrase "slightly" is a little bit off... They're about 45 degrees of an angle difference, and as about an 1" length difference. |
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