swap 6.0 for 7.3 - Ford Powerstroke Diesel Forum
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post #1 of 15 Old 01-01-2010, 08:13 AM Thread Starter
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Question swap 6.0 for 7.3

Hello and thank you for having this forum.

I have an 03 6.0 that has started to have problems. Injectors going out and loosing compression in one cylinder, 30% low. Mechanic is giving me some outrageous prices and suggesting that I just get a new motor. This one only has 100k on it and I have taken care of it since I got it, but the last owner put most of the miles on it so who knows what he did to it.

So for my 2 questions.

1) What can I do, myself to repair my current problems? Any suggestions for where to start a diy repair on this motor. How can I possibly diagnose if this is a head problem or if its something else.

2) due to all the problems that I am learning that the 03 6.0lt has I'm considering finding a 7.3 used and swapping them out and parting out my extra parts. I have a 4x4 6.0 If I find a donor truck with a 7.3 what parts will I be able to keep using in my truck, ie will I have to swap transmissions/transfer case or will my tranny work? Will I need all new everything or will I only need the 7.3 and a new wiring harness?

Would love any other thoughts about this task that i'm about to overtake one way or the other.
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post #2 of 15 Old 01-01-2010, 08:47 AM
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do a 12v swap

GET SOME
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post #3 of 15 Old 01-01-2010, 09:07 AM
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At a minimum (and I am sure there is much more) You would need a complete doner truck with all of the wiring harnesses, the IDM, the PCM a trans unless its a manual then it might be the same (I dont know).Fuel system tweaks, plus mounts and basic plumbing.

I would personally do a 12V swap also.

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post #4 of 15 Old 01-01-2010, 09:17 AM
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Take it to an INTERNATIONAL dealership, have them do the bare minimum to get it back in OK running condition, and SELL it. Then go put the money down on a leftover '09...they'll be making some crazy good deals on them in the next 2 months.

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post #5 of 15 Old 01-01-2010, 09:44 AM
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Take it to an INTERNATIONAL dealership, have them do the bare minimum to get it back in OK running condition, and SELL it. Then go put the money down on a leftover '09...they'll be making some crazy good deals on them in the next 2 months.
what kinda deals on 09's?
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post #6 of 15 Old 01-01-2010, 09:49 AM
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A 7.3 swap wouldnt be that hard in your truck , in 2003 they cam in 7.3 or 6.0 , the mounts are the same transmissions should match in the 6 speed the automatics wont match up , you should find a 7.3 truck get what you need and sell the rest . it shouldnt be that bad .

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post #7 of 15 Old 01-01-2010, 11:10 AM
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My buddies 04 6.0 just turned 320,000 miles. The only thing he's ever replaced was his FICM and had the rear end re-built. I'd fix yours and keep it.


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post #8 of 15 Old 01-01-2010, 11:23 AM
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12v swap.....

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R.I.P. Will Iott
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post #9 of 15 Old 01-01-2010, 11:25 AM
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what kinda deals on 09's?
I have not tried to see, but with the "New" diesel comming, it only makes sense to think a screaming good deal is out there..
Here's a 2010 I just found, seems like a good deal?

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post #10 of 15 Old 01-01-2010, 11:39 AM
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well any diesels you find now will have been built before jan 1 . the diesel line has been shut down to retool for 6.7 . first ones are coming to our dealership some time in feb .
i know we really arnt discounting them any more than what fords handing out.

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