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  #1  
Old 12-24-2011, 06:23 PM
blacksrt4 blacksrt4 is offline
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5 speed manual swap

I have a 2003 Dakota quad cab RWD with the 4.7L and auto trans.

My brother has a 1997 Dakota reg cab rwd with a 3.9L V6 and 5 speed manual.
He is selling the truck super cheap and I was thinking about buying it and converting my truck to 5 speed manual.

Three questions:

1. Will the mtx trans bolt up to the 4.7?
2. What issues would I run into with the wiring harness. I guess I would need to source a 4.7L mtx wiring harness??
3.What other parts would I need? I am assuming a driveshaft for sure.

Thanks
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  #2  
Old 12-27-2011, 02:34 AM
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Quote:
Originally Posted by blacksrt4 View Post
I have a 2003 Dakota quad cab RWD with the 4.7L and auto trans.

My brother has a 1997 Dakota reg cab rwd with a 3.9L V6 and 5 speed manual.
He is selling the truck super cheap and I was thinking about buying it and converting my truck to 5 speed manual.

Three questions:

1. Will the mtx trans bolt up to the 4.7?
2. What issues would I run into with the wiring harness. I guess I would need to source a 4.7L mtx wiring harness??
3.What other parts would I need? I am assuming a driveshaft for sure.

Thanks
You'll need a bellhousing from either a Dak with the 4.7 or a Ram with the 4.7L. You'll also need the wiring harness (and PCM if you can!), driveshaft I'm not sure about, but knowingly it'll be off that half an inch...

You can also check www.rockauto.com for parts...
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  #3  
Old 12-27-2011, 02:44 AM
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simply No...

The 3.9 trans will not bolt up to the 4.7 and a seriously doubt you could simply swap bell housings.

Forget the idea of using your brothers trans, if you want a manual trans that bad get one that is for a 4.7 from the junk yard and start from there
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Old 12-27-2011, 03:43 AM
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All dodge v6s and 8s share same bolt pattern for bellhousing 3.7s to 6.1s. Im not talking big blocks. If it was a nv3500 it would be fine being a 97 with a v6 its an ax15. It will work but is weak. You want an nv3500
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Old 12-27-2011, 03:44 AM
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Or being you have no crank sensor having a 4.7 go with a quiktime bellhousing and 130 tooth flywheel and a t56 you will be so much farther ahead and happier.
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  #6  
Old 12-27-2011, 03:54 AM
emjohn4 emjohn4 is offline
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Quote:
Originally Posted by rangoRT View Post
You'll need a bellhousing from either a Dak with the 4.7 or a Ram with the 4.7L. You'll also need the wiring harness (and PCM if you can!), driveshaft I'm not sure about, but knowingly it'll be off that half an inch...

You can also check www.rockauto.com for parts...
What? No.

The bellhousing in the NV3500 is integrated to the case - i.e. not removable from the transmission.
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Old 12-27-2011, 03:55 AM
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Quote:
Originally Posted by jmaack727 View Post
All dodge v6s and 8s share same bolt pattern for bellhousing 3.7s to 6.1s. Im not talking big blocks. If it was a nv3500 it would be fine being a 97 with a v6 its an ax15. It will work but is weak. You want an nv3500
i'm pretty sure a 3.9 and 4.7 do not have the same bolt pattern for the trans...
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Old 12-27-2011, 03:09 PM
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Quote:
Originally Posted by jmaack727 View Post
All dodge v6s and 8s share same bolt pattern for bellhousing 3.7s to 6.1s. Im not talking big blocks. If it was a nv3500 it would be fine being a 97 with a v6 its an ax15. It will work but is weak. You want an nv3500
That doesn't sound right are you sure?

Even if it does bolt up, you'll need at least a new PCM or a flash.... could end up needing the wiring harness too
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Old 12-27-2011, 03:17 PM
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I am 100% sure. There is a guy on this forum who did a 3.9 to 4.7 swap using his 3.9 nv3500. Another used a quicktine t56 bellhousing for a sbm on his 4.7.. trust me theyre the same.

Pcm flash probably not. You could get a 4.7 with a 5 speed in 2000-2004 years.

Im up shit creek needing a flash due to not having a 5.2 manual for my swapand starting with a 5.9.

Last edited by jmaack727; 12-27-2011 at 04:00 PM.
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  #10  
Old 12-27-2011, 03:20 PM
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Trouble









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Where you stand.




don't try and take what's laying around and do it "cheap" you will spend for more time, money, and tears, than trying to do it right.
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  #11  
Old 12-27-2011, 03:26 PM
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don't try and take what's laying around and do it "cheap" you will spend for more time, money, and tears, than trying to do it right.


Agreed. I am about 2k in to mine so far. Still have some button up things to buy. Plan it out if your going to do it, either by buying every part before hand or getting a donor truck.

Here is a bellhousing that fits 3.9-5.9s you can also see the 4.7s 45rfe bolt pattern.. It is the same minus 1 hole which doesnt get used on a 4.7. Although if you check your own engine the 3.9 donor that one hole up top and center may or may not have a bolt in it.

http://www.dakota-durango.com/forum/...=110826&page=2

Here is my own bellhousing and 5 speed. Note the pattern compared to the 4.7 45rfe

Last edited by jmaack727; 12-27-2011 at 04:10 PM.
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  #12  
Old 12-27-2011, 04:33 PM
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Quote:
Originally Posted by jmaack727 View Post
I am 100% sure. There is a guy on this forum who did a 3.9 to 4.7 swap using his 3.9 nv3500. Another used a quicktine t56 bellhousing for a sbm on his 4.7.. trust me theyre the same.

Pcm flash probably not. You could get a 4.7 with a 5 speed in 2000-2004 years.

Im up shit creek needing a flash due to not having a 5.2 manual for my swapand starting with a 5.9.
Well I stand corrected then.... I've repaired a couple 545RFE cases and I was almost sure they were different patterns.

If he can't find a 03 4.7 5spd PCM he could get his flashed from auto to standard
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  #13  
Old 12-27-2011, 04:49 PM
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Yes I believe you can.
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