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2004 Mustang 3.9l convert to 4.6l

996 Views 2 Replies 2 Participants Last post by  Lancejr21
Hello I was just wondering what all I need to convert my 2004 v6 to a 4.6l.
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its been done, just go with the 4v 4.6L like in the mach/cobra or and 03/04 cobra motor as the 2v 4.6L is not a very good way to go power wise.
I'm thinking about getting the 03/04 cobra engine but what all would I need besides rear end and transmission wise?
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