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2004 - 3.8 or 3.9?

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Old May 20, 2008 | 11:35 AM
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SRQ's Avatar
SRQ
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Florida Muscle
Joined: Apr 2008
Posts: 134
From: Sarasota, Florida
Default 2004 - 3.8 or 3.9?
Ok so I know that 2004 'Stangs were 3.8 until halfway through the year/production run, then were 3.9....question is, how would I know if mine is a 3.8l or a 3.9?
 
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Old May 20, 2008 | 12:04 PM
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Steeda97's Avatar
banzai
Joined: Apr 2007
Posts: 4,546
From: South Jersey
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Run your VIN #. Or check your production numbers or w/e. There isn't any power difference, they just changed the Windstar engine in 04 so they figured they'd do the same for the Mustang. Minivan Engines!
 
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Old May 20, 2008 | 01:34 PM
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3.8for the win's Avatar
Evolution 9
Joined: Sep 2007
Posts: 3,887
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it should be a 3.9.
 
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Old May 20, 2008 | 02:29 PM
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stangcharger's Avatar
500hp v6
Joined: Jan 2008
Posts: 344
From: Edmond, OK
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vin# prolly.
 
Last edited by stangcharger; May 20, 2008 at 02:31 PM.
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Old May 20, 2008 | 03:27 PM
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mustangvsix's Avatar
4 point 6
Joined: Sep 2005
Posts: 3,347
From: Flagstaff, Az / Los Alamos, NM
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look on the radiator fan shroud, it will say 3.8 or 3.9.
 
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Old May 23, 2008 | 05:00 AM
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engineman312's Avatar
Senior Member
Joined: Mar 2005
Posts: 615
From: new york city
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Originally Posted by 3.8for the win
it should be a 3.9.
yup.
 
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