12 valve cummins swap in 2008 f250? - Ford Powerstroke Diesel Forum
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post #1 of 32 Old 03-11-2012, 08:57 PM Thread Starter
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12 valve cummins swap in 2008 f250?

Don't mean to hate on the powerstroke but I'm considering putting a cummins in my truck when ever my 6.4 starts acting up.

And I hope no one minds me asking about it on a powerstroke forum.

But anyway I'm curious what the pros and cons are of putting this engine in my truck eventualy. Any opinions are appreciated.

I just like the idea of having a good truck with a good ole reliable cummins in it.

Only picking cummins 12 valve for simplicity and I'm not worried about putting out big horsepower.

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post #2 of 32 Old 03-11-2012, 09:38 PM
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I'd like to do the same thing if my 6.4 ever blows up. Don't feel like spending $14,000 on a new motor.

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post #3 of 32 Old 03-11-2012, 09:56 PM
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You'll have a he'll of a lot more room under the hood to work in things. And there are 33% less moving parts so less parts to wear out and break.. . Google for the site destroked.. They have kits for putting a cummins in a ford.


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post #4 of 32 Old 03-11-2012, 10:08 PM
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never heard of it being done in an 08, but should be pretty straightforward. might be a pain to get gauges etc to work right......but if things keep going the way they are with diesel emissions, i think swapping in a good ol 12v will become athing of the past.

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post #5 of 32 Old 03-12-2012, 03:17 AM
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Contact Destroked

Destroked - THE Cummins Conversion Company : Home Page

They have put common rail 5.9 and 6.7 motors in 08 and up rigs. Last i spoke to Scott the Engines were about $5,000 ( Less than 40K miles) and the whole conversion would run about $14-16,000.00 for a stick and a bit more for a Auto. Time line was about 6-8 weeks.

End result is all the guages work just like factory and the finish product looks like it came off the line of the factory.

I have been thinking of going down this road for a while now, woudl be nice to have an exahust brake and a stick in my KR.

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post #6 of 32 Old 03-12-2012, 03:56 AM Thread Starter
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I was hoping it would be simpler to do the 12 valve because its all mechanical but Idk how that works with a transmission that has a lot of electrical components.

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post #7 of 32 Old 03-12-2012, 07:38 AM
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I would put a built 47RH behind it if you want an automatic
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post #8 of 32 Old 04-02-2012, 03:17 PM Thread Starter
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Built 47rh? The Ford tranny won't work?

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post #9 of 32 Old 04-02-2012, 04:55 PM
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I wouldn't put a 12V in it. I'd put a common rail if I put anything in it. With all the electronics on these truck there would be no easy swaps.

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post #10 of 32 Old 04-02-2012, 05:27 PM Thread Starter
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I really just want the easiest swap. And with as simple as a 12 valve as it shouldn't be too hard to do I thought. Plus a 12 valve that is well taken care of should last a while right? If not a 12 valve cummins, then what should I put in it?

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