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Adam
Dodge Dakota
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3/11/2006
23:01:04
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 Subject: 4.7 Replacement
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I plan on replacing my 3.9 slug with either a 4.7 or 5.2... I'm leaning towards the 4.7 for economy and I've driven a dakota with the 4.7 and I really liked it. More so it depends on which I find for the best deal but right now I have the 5spd in my '00 3.9 I'm pretty sure it's the NV3500 but I was wondering if either engine will mount up to it. Also are the mounts the same and is there anything else I would need for the swap? Thanks for any help.
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RadioMan
Dodge Dakota
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3/12/2006
07:15:19
|  RE: 4.7 Replacement
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Great idea but I'd worry more about the
electronics and wiring for the switch over.
Good luck
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Kowalski
GenIII
3/12/2006
07:16:55
| RE: 4.7 Replacement
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Might want to narrow your choice to 4.7 or 5.9; there's no '00 5.2 PCM for the Dak.
Lead, follow, or get out of the way
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Dark Jedi
Dodge Dakota
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3/12/2006
07:36:40
| RE: 4.7 Replacement
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couldnt the 00 durango PCM work in it. I know they was still putting the 5.2 in the durangos
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Adam
Dodge Dakota
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3/12/2006
14:06:07
| RE: 4.7 Replacement
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I couldn't put in a '99 5.2? For the wiring on the 4.7 wouldn't I just need the PCM and harness? I'm probably over simplifying this but I'm just wondering what all I would need. I'm not going to do the install my self because I dont have any time to do it. I have to put in way too many hours at school in order to accomplish something like this.
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GraphiteDak
GenIII
3/12/2006
23:00:31
| RE: 4.7 Replacement
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Well the NV3500 I bought came from a 3.9 that is said to bolt to the 4.7 I have for a project car.
You will need a different flywheel though.
I'm doing a similar project. Except I'm putting a 4.7 / MV3500 into something that never had fuel injection.
And 3000Lbs it should haul a$$!
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Dan
Dodge Dakota
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3/13/2006
00:55:29
| RE: 4.7 Replacement
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Hope you have lots of money, and it's not your evryday driver. You
would save more money just to buy a dak with a 4.7L
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Kowalski
GenIII
3/13/2006
16:41:19
| RE: 4.7 Replacement
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Other year PCM's may not interface properly with the rest of your truck - it would be a crap shoot. Just trying to point you in the easier direction - good luck !
Lead, follow, or get out of the way
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Adam
Dodge Dakota
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3/13/2006
21:52:31
| RE: 4.7 Replacement
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Ok so I'll try and talk my self out of it. Actually wont be that hard since it is a lot of money...we'll just have to see what I can do with my 3.9
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novaDAK
Dodge Dakota
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3/13/2006
23:11:50
| RE: 4.7 Replacement
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You can use any year 5.2. You just need to get a PCM from the year that matches your truck. It can be from a Ram, Ram van, Durango, etc. It has to be the same year as your truck. The engine itself doesn't though.
The 5.2 would be a whole lot easier and probably cheaper than the 4.7 because it uses the same engine mounts as the 3.9. The transmission should bolt right up as well. Do a search on this site for 3.9 to 5.2 or something like that. There's been a whole lot of threads about this.
But like you said, you could all that money towards a supercharger or turbo and some internal work and you'd be quicker than most stock/lightly modded v8's.
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