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Old 03-27-2013, 07:13 AM   #1
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3.8 to 4.6

Has anyone ever had a 99-04 Mustang V6 3.8 and put in a 4.6?
If you have can you please tell me all the parts that i would need to do this swap?
example: Coolant Reservoir, mid-pipe, computer.....

Oh and I have an 03 Mustang V6 with 5speed. would the 4.6 bolt up to my transmission?

Thanks Guys!

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Old 03-27-2013, 10:15 AM   #2
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you'll want a full donor car for easiest results


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Old 03-27-2013, 04:31 PM   #3
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It's just easier to change the tranny with the engine. You'll pretty much need to change everything over from the 4.6 car.
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Old 03-27-2013, 05:15 PM   #4
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V6 to V8 swap FAQ- Newbies Read Here First! - Ford Mustang Forums

PM runvsofthisbull..he recently did a v6 to v8 swap to his car. He can give you some actual input regarding the swap.

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Old 04-04-2013, 12:02 PM   #5
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That's my nephew and He's lovin the extra 2 cylinders

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