3.8 v6 to 4.6 swap (info needed) - Mustang Evolution

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Old 01-09-2014, 05:56 AM   #1
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3.8 v6 to 4.6 swap (info needed)

Hello, I am considering swapping my v6 engine out for the v8 of the same year and was wondering what all I would need to purchase with the engine to do this swap. (I am new to swaps)
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Old 01-09-2014, 06:41 AM   #2
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If you can get a complete donor car, then that would be the bet way to go.

---------- Post added at 12:41 PM ---------- Previous post was at 12:40 PM ----------

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If you can get a complete donor car, then that would be the bet way to go.
Best*
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Old 01-09-2014, 08:46 AM   #3
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Oh, well I mean is there an easy way to get like a parts list or something? I'm more or less trying to make sure that when I'm doing it I don't find myself missing anything
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Old 01-09-2014, 10:03 AM   #4
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Like Taylor said, get a donor car. Or better yet, it would be cheaper to just sell your sixxer and buy a gt. If you're stuck on the swap, it's going to expensive fast. It isn't just the engine. You need the rear end, suspension, trans, etc. most people who start the swap don't end up finishing it
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Old 01-09-2014, 10:06 AM   #5
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Okay, yeah he main reason I was looking on the direction of the swap is I really like the body of the car I'm driving a lot of custom body work and audio/video work has been put into it
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Old 01-09-2014, 11:32 AM   #6
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I am in the same boat you are I got about 6k in the appearance of my sixxer but I hate the hp of it ever think about going with a 4.2 swap?
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Old 01-09-2014, 11:34 AM   #7
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Well I was looking at the 4.6 because I plan on putting a twin turbo into it and the turbo I found was made for the 4.6

---------- Post added at 01:34 PM ---------- Previous post was at 01:33 PM ----------

Originally I wanted to just bore it out to a 4.0
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Old 01-09-2014, 11:35 AM   #8
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You could procharge or use an m112 off a cobra. The m112 is one of the cheapest ways to go
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Old 01-09-2014, 11:38 AM   #9
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I guess, I've been kinda stuck on the turbo ideA.
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Old 01-09-2014, 11:40 AM   #10
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There are no 3.8 turbo set ups. Perhaps you could piece a kit together yourself and have a shop fabricate up manifolds. Be prepared to pay a hella lot is you go that route.
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Old 01-09-2014, 11:53 AM   #11
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Well that was why I was asking about the 4.6 swap
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Old 01-09-2014, 12:02 PM   #12
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How much're you lookin to spend
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Old 01-09-2014, 12:10 PM   #13
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I really don't have a limit, just the more I need to spend the longer it will take
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Old 01-09-2014, 12:34 PM   #14
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I really don't have a limit, just the more I need to spend the longer it will take
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Old 01-09-2014, 12:38 PM   #15
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well im by no means a pro but from what i can think of:

all new suspension- youve gotta be able to handle the weight of a new motor
8.8 rear end- you'll snap that little 7.5 in no time
might as well get a quality 1 piece driveshaft while your at it
new transmission
obviously a 4.6 engine
if you plan on a TT setup then you might as well forge the 4.6
all new engine accesssorys- alternator, starter, that junk.
new fuel pump since you'll be pushing more fuel
i would assume(note that word) that you would need a new ECU
new wiring harnesses
bigger radiator
completely upgrade your brake system

thats all i can immediately think of. so your gonna be in the 10-15 grand area. easily.
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Old 01-09-2014, 12:40 PM   #16
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Thank you, I was actually just about to replace the whole brake system with the slotted drilled like in the mach 1
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Old 01-09-2014, 12:45 PM   #17
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thats really a track application. not that great for the streets. i mean it looks cool, yeah. but im pretty sure you actually lose stopping power in exchange for them running cooler. make sure you get some big brakes too.
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Old 01-09-2014, 12:46 PM   #18
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Okay, any specifics you would recommend?
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Old 01-09-2014, 12:49 PM   #19
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honestly couldnt tell ya, man. you'd just have to look around.
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Old 01-09-2014, 12:53 PM   #20
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Alright I appreciate all of the help
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Old 01-09-2014, 12:57 PM   #21
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no prob. good luck to ya
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Old 01-09-2014, 01:36 PM   #22
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Quote:
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Thank you, I was actually just about to replace the whole brake system with the slotted drilled like in the mach 1

Torch is right with the slotted and drilled you loose stoping power due to less surface area and you will need and a new ECM if you really want to do it the people that said get a donor car they are right because you will need everything out of the engine bay pretty much as well as the suspension but at that point I would go aftermarket you will also need the tranny, the drive shaft and rearend once you get what you need from the donor car you can sell it and get some money back
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Old 01-10-2014, 10:35 AM   #23
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I guess, I've been kinda stuck on the turbo ideA.
There is a turbo kit for the 3.8. They are on tmaturbo.com if you'd like to check them out. Just thought I'd throw that out there
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Old 01-10-2014, 10:37 AM   #24
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Thanks, I appreciate the info, I think I'm going to save up for a mach one and put the twin turbo I'm looking a into it. Rather than do a full swap on my car
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Old 01-10-2014, 10:43 AM   #25
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There is a turbo kit for the 3.8. They are on tmaturbo.com if you'd like to check them out. Just thought I'd throw that out there

I'm having trouble finding anything that specifies any model or year information
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Old 01-10-2014, 10:44 AM   #26
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Thanks, I appreciate the info, I think I'm going to save up for a mach one and put the twin turbo I'm looking a into it. Rather than do a full swap on my car

Only problem with a mach is the high compression for a turbo set up but if you plan on building the motor you will have not problem
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Old 01-10-2014, 10:46 AM   #27
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Once I get the car I would be doing a full internal rebuild/upgrade.
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Old 01-10-2014, 10:49 AM   #28
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Once I get the car I would be doing a full internal rebuild/upgrade.

Why not just by an 03 cobra and twin turbo it that way you don't have to worry about the aluminum block
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Old 01-10-2014, 10:51 AM   #29
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The main reason I'm stuck on the mach is just the look, I've wanted one for quite awhile.
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Old 01-10-2014, 10:56 AM   #30
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I'm having trouble finding anything that specifies any model or year information
They are custom kits. He builds for whatever car you've got. He has premade 99-04 v6 kits. The choices are the options for the car you ask him about.
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The main reason I'm stuck on the mach is just the look, I've wanted one for quite awhile.
You could always just make a mach clone
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Old 01-10-2014, 10:58 AM   #31
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I suppose I could
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Old 01-10-2014, 11:08 AM   #32
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[QUOTbE=Veracadoro;1921516]I suppose I could[/QUOTE]

would be cheaper to buy a hood and shaker than all forged internal
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Old 01-10-2014, 11:11 AM   #33
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That is true but almost any car I get and work on like this would be getting reworked internals
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Old 01-10-2014, 02:11 PM   #34
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3.8 v6 to 4.6 swap (info needed)

I was thinking the same thing and tax season is around the corner but seen this whole mach 1 conversion seems like it come with everything. A shop quoted me 1100 for the swap he told me I would spend more getting the parts than the install would cost, but the engine is 5000Click image for larger version

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ID:	144252....btw don't go buying my motor lol
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Old 01-10-2014, 03:21 PM   #35
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lol I've got like 500 right now. I'm no where near buying that motor. Just trying to get a plan before I start spending....
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