1998 Mustang V6 Swap to a V8 - Mustang Evolution

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Old 01-30-2014, 08:56 PM   #1
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1998 Mustang V6 Swap to a V8

I have a 98 mustang v6 that I am I wanted to swap to a V8 since my v6 motor went down hill, I just a want to know what all is need to do to convert my mustang over to a v8. I know you will need the motor and the wiring harness, the tranny and the computer and such, I also have the 8.8 rearend with 3.73 gears installed in my v6 so that won't be need. But let me know what all is needed so I could do the swap right.
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Old 01-30-2014, 09:24 PM   #2
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This gets asked so many times. If you go to the search bar and type in v6 to v8 swap you can find a thread that will answer your question. Not trying to be mean but you can find out the answer quicker by looking at past threads.
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Old 02-02-2014, 08:39 AM   #3
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check out my thread.
I asked the same question and trust me it's not cheap. Even if you get all the parts from the junkyard. Besides that, it won't take you a weekend, it will take some time. It's not hard, just time consuming. If you do go through with it be patient.
I gave up on mine because of the time and i'm busy with work. I just replaced it with another v6. engine. Just look at my thread and you'll find everything you need.
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Old 02-02-2014, 11:33 AM   #4
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Ok how bout if I did the split port swap. I got a chance to by the whole engine with 94,000 miles for $350, it's out if a 99 v6 and wondering could I just drop the engine in my 98 v6
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Old 02-03-2014, 08:01 AM   #5
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the engine won't fit straight in. you will need to make some adjustments to the heads and a few other parts here and there. it's more simpler to get one that fits straight in so you don't have to mess with that many things. look for one on ebay, that's where I got mine.
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Old 02-03-2014, 08:07 AM   #6
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Or will a 4.2 stroker swap be more easier to do.
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Old 02-03-2014, 08:39 AM   #7
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There is a nasty 4.2 V6 over on SN95forums.com but that guy did it RIGHT including a custom M112 supercharger.

Word of advice if you want a V8 BUY A GT. Get a used running V6, drop it into your car so you can sell it as a running driver for someone and then buy the GT. It will be cheaper to do it this way because you need pretty much EVERYTHING out of a GT to swap. Its not just motor and go.
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Old 02-03-2014, 08:41 AM   #8
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What about the 4.2 swap is it pretty easy
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Old 02-03-2014, 08:43 AM   #9
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I have no clue. The google, she knows much.
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Old 02-03-2014, 09:11 AM   #10
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Have you look at the 4.2 sticky? It shows everything you will need. Also check google for more information.
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Old 02-03-2014, 09:20 AM   #11
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it's easier in the fact that you don't swap out everything on the sixxer to a v8 but it is difficult if you don't know what you're doing. get a friend to help you, if they know how.
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Old 02-03-2014, 10:51 AM   #12
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4.2 is the same engine stroked. You will never know the difference (externally) installing.
It only adds 5hp. and 40 tq if you do not do the 4.2 intake upgrade. you could almost get that from a windstar swap.
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