Dohc swap - Ford Mustang Forum
 
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post #1 of 15 (permalink) Old 04-07-2017 Thread Starter
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Dohc swap

Currently debating swapping a 96 or 01 dohc in a 97 gt. Anybody know any good used motor websites? Thought about pi swap but wanted a motor that can handle potential boost and I'm tired of the sohc lol. Also is an ecu swap necessary for the dohc on the gt or can a piggy back work fine

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post #2 of 15 (permalink) Old 04-07-2017
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The ecu will support the swap just fine. Just need to sort out the engine wiring and finish up with a tune to get the most of it.

What makes you say that the 4v is going to handle more boost? The internals have the same limitations that the 2v does.


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post #3 of 15 (permalink) Old 04-07-2017 Thread Starter
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I always thought the internals on the cobras were stronger than the gt's. I could just be assuming but I always thought 2v's start breaking around 370whp while the cobras were good for at least 450
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post #4 of 15 (permalink) Old 04-07-2017
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Originally Posted by Khenji Harris View Post
I always thought the internals on the cobras were stronger than the gt's. I could just be assuming but I always thought 2v's start breaking around 370whp while the cobras were good for at least 450
Plenty of guys run 400 rwhp on the 2v. The rods and pistons are made exactly the same with the same materials. The only one that's stronger is the 03/04 cobra.

1998 GT
Rebuild in the works. New crank, 2013 Boss rods, srp .020 over flat top pistons with valve reliefs, 12:1 compression, ported pi heads, comp xe278ah cams.
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post #5 of 15 (permalink) Old 04-07-2017 Thread Starter
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Interesting to know, so you think procharging would be a easier way?
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post #6 of 15 (permalink) Old 04-07-2017
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Interesting to know, so you think procharging would be a easier way?
What kind of power you trying to make and how much money you trying to spend? A pro charger with the right setup will put you in the 400 range and be pretty reliable.

1998 GT
Rebuild in the works. New crank, 2013 Boss rods, srp .020 over flat top pistons with valve reliefs, 12:1 compression, ported pi heads, comp xe278ah cams.
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post #7 of 15 (permalink) Old 04-07-2017 Thread Starter
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Was hoping for that range or at least 380 but then it gets more expensive because I would need a new clutch, new or rebuilt transmission and bigger injectors right
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post #8 of 15 (permalink) Old 04-07-2017
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Was hoping for that range or at least 380 but then it gets more expensive because I would need a new clutch, new or rebuilt transmission and bigger injectors right
Your transmission should be ok. The clutch, I would replace. Trust me when I say a clutch should not be skimped on. Yes the injectors would need to be bigger.

1998 GT
Rebuild in the works. New crank, 2013 Boss rods, srp .020 over flat top pistons with valve reliefs, 12:1 compression, ported pi heads, comp xe278ah cams.
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post #9 of 15 (permalink) Old 04-07-2017 Thread Starter
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Yea honestly although the blower would add way more power than the engine swap, I'm still leaning more towards the dohc. It will be a lot faster than the motor in there right now and sound a lot better in my opinion. I just don't know where to find a complete one with the harnesses and sensors
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Could grab a 93-98 Lincoln Mk8. Then throw an intake and some cams in it. I got my 93 Mk8 complete and running for $100. Deals are out there.
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post #11 of 15 (permalink) Old 04-07-2017 Thread Starter
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Interesting, guessing it's the same motor in the 98 cobra
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Interesting, guessing it's the same motor in the 98 cobra
Little different, 280hp rating for the Mark8 vs 305hp for the Cobra. Different intake manifolds I'm pretty sure is the primary reason.


2001 GT Convertible
/1967 Coupe
All the usual bolt-on's /200 I6, C4

And a few Explorers too... 2008 4.0 XLT 4x2, 1996 XLT 5.0 4x2, 2003 Sport Trac XLT 4.0 4x4
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post #13 of 15 (permalink) Old 04-07-2017 Thread Starter
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Okay, but everything else should be the same? And are they that much cheaper?
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post #14 of 15 (permalink) Old 04-07-2017 Thread Starter
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Could grab a 93-98 Lincoln Mk8. Then throw an intake and some cams in it. I got my 93 Mk8 complete and running for $100. Deals are out there.
You threw the cams from the cobra in the mk8 motor and that cost you $100?
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I believe Lincoln Mk8s came with B heads from 93-96. And C heads from 97-98. Cobras came with C heads I believe. Someone correct me if I'm wrong.
Also, the Cobra and Mk8 intake cams are the same. Exhaust cams are different. So you can take Cobra exhaust cams and intake manifold and put it on a Mk8 motor, and have basically the same thing.

No, I didn't do the 4v swap. I was saying I actually bought a complete and running Mk8 car for $100 and yanked the engine from it. I ended up using the Teksid aluminum block and putting my 2v heads on it with flat top pistons.

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