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Discussion Starter #1
I was wondering if a 3.8 Mustang could be swapped with the regular stock 3.8 n/a Cougar engine. And if so could you use the stock Cougar Tranny or would you have to go with the mustang tranny? Or could you replace it with 2.3 ltr 4 banger mustang engine?
 

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Motorboatin' SOB, Headlight Cleaning Guru
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not sure about the 3.8 stang motor, but IMO i would swap in a used low mileage 5.0 out of bird or fox body stang. both use AOD trannies.
 

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Motorboatin' SOB, Headlight Cleaning Guru
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P1a5tic Ph0rk said:
If I did replace it with an 5.0 i'd have to replace alot more right?
pretty much, you would need almost everything under the hood, as well as the 8.8 pumpkin to compensate for the increase in power. theres more, i just covered the big parts. better to have a donor car. do a search for 5.0 swap.
 

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Discussion Starter #5
There is a 5.0 Cougar the the junk yard not far from here that has everything including the motor, I don't think it was in any collision or anything but someone tore the dash out so I won't know how many miles are on it. But from what I saw the Cougar had everything on it.
 

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Moderator, Iowa Chapter Director, Uber Luber, TCCo
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Depends on the year of the stang and the year of the cougar. It all depends on DIS and wether it's EEC-IV or EEC-V. That will determine how much work is involved.

Mike, 94-95 5.0's had AODE :D

-Thomas
 

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The Parts Guy
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Basically, a 94-98 Mustang 3.8L will swap right into the 3.8L N/A MN12. It is a very easy swap, you just reuse all sensors, ignition system, etc, that was stock on your 3.8L N/A MN12. However, there isn't much, if any, difference in horsepower/torque between the two engines.

The 99+ Mustang 3.8L engine will also swap into the 3.8L MN12 without too many headaches. It is a more complex swap than the 94-98 Mustang 3.8L, however. If your 3.8L N/A MN12 already has DIS, the swap is much easier. Installing DIS isn't much fun, but I've done it on two MN12's now, so it sure isn't impossible.

-Rod
 

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Confirmed V6 Nut
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If you got the money, why not put in a 4.2L? Less extra to swap and 210 HP from a N/A motor. It's basicly the same block.
 

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Very possible, somewhat easy to do,

I did a 98 Mustang engine in my 94 3.8, (had to do some wire cutting a splicing otherwise a direct swap)

In your case if you go with a Mustang engine with DIS, you will have to reuse some of the parts off of your 90' 3.8 to make it with a Distributor, unless you get a computer and wiring from a 94-95 3.8 Cali Emissions (good luck finding one for cheap). anyways, you can reuse your transmission it will bolt right up, you will have to do a lot of sensor swapping and may have to swap you lower intake (i did, as the mustang engine did not have the Air Charge sensor bung),


oh, yeah, NO 4 Banger (probably wouldn't even move the bird):D
 

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Moderator, Iowa Chapter Director, Uber Luber, TCCo
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Actually if you want to convert to DIS you don't need a new EEC. Rod can vouche for me on that one. He helped me out with a wiring diagram to wire in DIS on a distributor EEC. Of course you'd need a chip w/ a program to run the DIS but that's not hard to get a hold of (unlike an entirely different EEC)
-Thomas
 
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