can i swap 02 dodge ram 4.7 into 2005 dodge durango 4.7

15

Asked by Apr 16, 2017 at 07:27 AM about the 2005 Dodge Durango SLT 4WD

Question type: General

my 05 durango 4.7 blown motor...long story short ...neighborhood drunk
mechanic had me buy 02 dodge ram that was totalled with good motor and
said it will swap into my 05 durango now hes saying no so if it dont swap he
had me buy this totalled ram for no reason and im stuck with truck have no
use for...so was asking if was interchangeable ...even if have to reweld
motor mounts or move them

8 Answers

85,525

You can do this but there are issues to check out and it is possible to get it running. The motor will bolt in no problem. The problem is with the reluctor ring, (tone ring) in the engines crankshaft. 2002 is when they changed from a 16 tooth reluctor to a 32 tooth reluctor ring. Most 2002 I have found to be the 16 tooth. This you need to figure out, and If I remember right, it is just a matter of changing the computer and wiring harness. There is a lot of information out there you can look up to see what exactly needs to be done, but it is possible. If the 2002 engine has the 32 tooth reluctor ring, then your golden.

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15

ok cool thank you for your feed back any info will help ...so if 32 tooth i can just move mounts and will bolt up or will just straight bolt up if both 32...sorry if quewstions im asking are easy lol..im mechanically inclined ive just never completely swaped motor myself

85,525

Their both 4.7L engines, thats one thing you have going for you, it will bolt right up.

15

Will I have to move mounts sorry asking so many questions

85,525

Hey, here to help, this is what its all about, people helping people...So no it is the same engine basically, just the way it is set-up on top of the engine, besides the reluctor, is what may be different.

What if I have o6 durango can a 04 ram engine work if it's same 4.7

85,525

Tzpromoinc, yes it would.

Chris can you let me know how this turned out for you. I bought an 08 4.7 dual spark plugs engine and putting it in a 2002 ram. I changed out the tone rings both crank and cam. Also the dual plugs both fire fine with 02 truck electronics. Only thing that makes me think alot of people that say they've done this swap make not have is because I've heard no mention of the exhaust manifold being different bolt up to the newer heads and the flanges point in slightly different locations. I took it to a muffler shop and had them redoe the connections. How did your build go and don't d you run into same issue. So far reluctor issue, and exhaust manifold issue. I made an adapter plate from r the original cable throttle body. Thanks. Rich

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