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2nd Gen Dakota 1997 - 2004 Dakota's

5.2-5.9 swap

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Old 03-27-2011, 09:43 PM
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Default 5.2-5.9 swap

does any one know what all is needed to do this sap. my friend at the dodge dealer said i would have to get a 5.9 ecm cuz the 5.2 ecm would give the right amount of fuel. or could i just get a sct tuner. im already lookin into this programer to. any info would be great thanks!!
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Old 03-28-2011, 11:23 AM
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sooo any one have a idea on that i would need to do?
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Old 03-28-2011, 01:28 PM
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Ok, just to get the ball rolling I've read that a 5.2 to 5.9 swap is pretty easy. Everything is the same. And I think that you can even use the 5.2 ECU but using the 5.9 ECU is the better bet.

You might try doing some searches on there because I've seen this information before just not sure how long ago that was. You might try the other forum also.
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Old 03-28-2011, 02:01 PM
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thanks man. ive looked it up on here but didnt get any thing.
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Old 03-28-2011, 02:05 PM
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From what I have heard you can run the 5.2 ecu but its kinda a waste because you wont get the full potential out of the 5.9 so it just makes more sense if you are spending money on the 5.9 you might as well get your moneys worth and do the 5.9 ecu.
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Old 03-28-2011, 02:08 PM
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well i know that the intake andheaders will bolt right up but what about the flywheel? and you think the 5.9 ecu will be plug and play with the 5.2 harness?
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Old 03-28-2011, 03:13 PM
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The 318 is internally balanced where the 360 is externally balanced. You will need a 360 flywheel. Ive read where someone got the 360 internally balanced(Said it was around 200 or so) so they could use the 318 flywheel they had. It would be much better if you could find a 360 with trans. I am by no means a expert at this ,still young and learning everyday so for a final answer I would leave it up to one of the more experienced members here.
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Old 03-28-2011, 06:37 PM
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you know it seams like ive read that befor about the flywheels. and i would think the 318 and 360 would have the same trans. idk ive always been a chevy man so im kinda learnin about the dodge stuff still.
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Old 03-28-2011, 07:19 PM
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Quote:
Originally Posted by frydaddy82 View Post
you know it seams like ive read that befor about the flywheels. and i would think the 318 and 360 would have the same trans. idk ive always been a chevy man so im kinda learnin about the dodge stuff still.
The 5.9 should really have the 46re behind it(5.2 only had 44re) with the hd transfer case.
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Old 03-28-2011, 07:45 PM
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You will need the ECU from the 5.9, as well as a 5.9 specific flywheel as it is externally balanced as mentioned above. Also, dodgeramguy85 is correct in saying that you need the 46RE behind the 5.9 as the 44RE will not live long with the added torque from the larger motor. The wiring harness should be all plug and play, and all of your accessories should be a direct swap as well. Your best bet would be to find a motor and tranny together to swap in.
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Old 03-28-2011, 07:45 PM
 
 
 
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