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Old 11-09-2009, 05:19 PM   #1
Cwaybryce
 
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Default 3.8-4.6 4v swap

I have a 4.6 4v out of a mach 1 available to me. Im thinking of buying it and swapping out the 3.8. The transmission, rear end, motor mounts, wiring harness, computer, and hood are included in the deal. Anyone ever done the swap before or know how difficult it would be?
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Old 11-09-2009, 05:39 PM   #2
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Lol you should make the search function your friend as there is tons of info about swapping out motors.
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Old 11-09-2009, 05:42 PM   #3
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It wouldn't be too bad, especially since you have everything. You will need a fuel pump and possibly fuel lines.
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Old 11-09-2009, 05:46 PM   #4
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Thanks. And im fairly convinced that 5k is a good price for all this as well. Right? Motor has around 40k.

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Old 11-09-2009, 08:32 PM   #5
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i believe you can get a used 99/01 cobra motor and tranny for 3500-4000 on mpsautosalvage. so i would THINK so
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Old 11-09-2009, 09:23 PM   #6
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http://mustangforums.com/forum/4-6-m...n-a-96-gt.html

Just ignore the Mark VIII specific stuff. Wiring will pose a different problem for you as you will need to replace the interior harness too. That guide will give you the basic idea.
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Old 11-10-2009, 04:13 AM   #7
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^ he doesn't need to replace interior harness
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Old 11-10-2009, 04:37 AM   #8
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Quote:
Originally Posted by motorman524 View Post
^ he doesn't need to replace interior harness
You sure? I figured when hooking up the Mach stuff that it would be different, how the harness attaches to the interior harness. I may be wrong, but I thought the V6 was different.
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Old 11-10-2009, 11:47 AM   #9
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naw, I read another thread about 3 weeks ago, a guy did a 4.6 swap into his 3.8 and he stressed that you didn't need to do it, thats how I remember. Looked for that thread but cant seem to find it now:/
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Old 11-10-2009, 12:31 PM   #10
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Quote:
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naw, I read another thread about 3 weeks ago, a guy did a 4.6 swap into his 3.8 and he stressed that you didn't need to do it, thats how I remember. Looked for that thread but cant seem to find it now:/
http://mustangforums.com/forum/4-6l-...-the-swap.html

hes using a 2v motor tho, some things may be slightly different going to a 4v.
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Old 11-10-2009, 12:31 PM
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