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06-29-2009, 03:55 PM
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#1
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would a 03 4.6 fit in a 00 mustang 4.6
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Registered User
Join Date: Dec 2008
City: Fort Polk LA
State: Louisiana
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I need to do a motor swap on my 00 Mustang Auto and my question is would a 03 mustang 4.6 fit? Would anything need to be modified? I know I have a windsor engine and I think a 03 is a romeo (not sure)
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06-29-2009, 07:31 PM
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#2
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Re: would a 03 4.6 fit in a 00 mustang 4.6
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the koolaid man
Join Date: Dec 2005
City: Baton Rouge
State: Louisiana
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yes it will go in with no problem, u will have to get a flywheel for the romeo engine but other than that it will work.
__________________

96 GT-PI head swap,Dr. Gas O/R X,Magnapack catback, MAC fenderwell cai, Eibach sportline springs, KYB struts/shocks, 17 inch black FR500's, Saleen bodykit with S281 wing, BOI headlights, smoked tailights, 3 inch cobra r hood, slight weight reduction. 5.4 dohc coming soon.
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06-29-2009, 10:19 PM
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#3
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Re: would a 03 4.6 fit in a 00 mustang 4.6
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Mmmm.... Catfish
Join Date: Feb 2007
City: St Louis
State: Missouri
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^^he is correct. It will fit no problem.
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03 GT silver, BBK intake, March underdrive crank pulley, Spec Stage2 clutch, Spec lightweight flywheel, Pypes catless x-pipe, short throw shifter, Cobra wheels, Termi front bumper and hood.
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06-29-2009, 10:35 PM
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#4
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Re: would a 03 4.6 fit in a 00 mustang 4.6
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IMPORTS SUCK
Join Date: Jan 2009
City: flora
State: Illinois
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I'm doing a similar swap. Is the romeo better than the windsor?
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06-30-2009, 08:03 AM
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#5
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Re: would a 03 4.6 fit in a 00 mustang 4.6
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WTF^^...
Join Date: May 2003
City: Birmingham / Florence
State: Alabama
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the 99-00 engines are said to be stonger~ not exactly sure why
__________________
2003 REDFIRE COBRA #3938 of 5082 @ 05/27/2003 1 of 414
MGW Shifter, Borla Stinger Polished Catback, JLT Intake, MM FLSF Connectors, MM C/C Plates, H&R Race Springs, IRS Bace, MRT Hood Struts, True Forged Mach 5 18x9 (275/35/18) 18x10 (295/35/18) wheels, Other Mods, My Pics, High Res Pics
400rwhp/380rwtq - Click mods for more info!
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06-30-2009, 11:23 PM
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#6
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Re: would a 03 4.6 fit in a 00 mustang 4.6
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the koolaid man
Join Date: Dec 2005
City: Baton Rouge
State: Louisiana
Posts: 1,147
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the cranks are better in the windsors- they have the 8 bolt crank similar to the cobra vs the 6 bolt in the romeo.
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96 GT-PI head swap,Dr. Gas O/R X,Magnapack catback, MAC fenderwell cai, Eibach sportline springs, KYB struts/shocks, 17 inch black FR500's, Saleen bodykit with S281 wing, BOI headlights, smoked tailights, 3 inch cobra r hood, slight weight reduction. 5.4 dohc coming soon.
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07-02-2009, 04:21 PM
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#7
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Re: would a 03 4.6 fit in a 00 mustang 4.6
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Registered User
Join Date: Mar 2009
City: Cottage Grove
State: Oregon
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good info! learn something new everyday.
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2000 Mustang GT,BBK UnderDrive Pulleys, Venom 400 Performance Chip, K&N Cold-Air-Intake, BBK Short Throw, FR 3.73's, PaceSetter Longtubes w/3" streight pipe w/ resonators
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07-03-2009, 12:33 AM
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#8
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Re: would a 03 4.6 fit in a 00 mustang 4.6
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the koolaid man
Join Date: Dec 2005
City: Baton Rouge
State: Louisiana
Posts: 1,147
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i try to pass it along 
__________________

96 GT-PI head swap,Dr. Gas O/R X,Magnapack catback, MAC fenderwell cai, Eibach sportline springs, KYB struts/shocks, 17 inch black FR500's, Saleen bodykit with S281 wing, BOI headlights, smoked tailights, 3 inch cobra r hood, slight weight reduction. 5.4 dohc coming soon.
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07-03-2009, 03:04 AM
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#9
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Re: would a 03 4.6 fit in a 00 mustang 4.6
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Mustang Evo NEWB
Join Date: Aug 2004
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They are 'better' in that it's an 8 bolt crank, but from what I've heard they're no stronger than the 6s, they weren't stronger like the cobras
I could be wrong
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2003 Regal GS - the beater/daily driver - somewhat stock (yeah right). No its not a mustang, at least it's blown.
2001 GT Black on Black 5 speed
MM Strut Tower Brace/Weld-In Subframe Connectors/Koni Springs&Adjustables/Cobra Brakes/Cobra Rack/Tri-Ax/3.73s/SCT Tuner 56k miles
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