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durango88
Dodge Dakota
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12/25/2012
23:07:25

Subject: RE: 3.9 to 5.2 engine swap questions
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ok now what if i wanna go from a 4.7 magnum in a 2001 durango to the 3.9 what all do i need?



Bourget
Dodge Dakota
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9/17/2013
11:36:31

RE: 3.9 to 5.2 engine swap questions
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I am putting a 318 into my 95 dakota. I found the
motor and tranny out of a 95 dakota but it didnt
have a wiring harness or computer. I was in the
scrape yard and pulled one out of a 91 dakota. Does
anyone know if this computer and harness will work
for me?



Seth
Dodge Dakota
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9/17/2013
11:45:07

RE: 3.9 to 5.2 engine swap questions
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1991 has the shorter hood so that is a toss up. Look up the part numbers for each year and see if they are the same.



Randy
Dodge Dakota
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10/10/2014
09:46:43

RE: 3.9 to 5.2 engine swap questions
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I'm an old school guy swapped
many a small block chevy V8's
around and put them in anything
you could think of. Buttimes have
changed. So I need some help.
I have the complete truck 95
Dakota, 2wd,auto,318 wanting to
pull the motor and put in my 93
Dakota, 4 x4 5sp manuel.
I know electronics could be an
issue? But really need to know
what if any of my parts on the 3.9
will work on the 318? Parts of
concern are flywheel,pressure
plate,clutch plate, tranny anything



david76g
Dodge Dakota
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2/11/2015
03:07:56

RE: 3.9 to 5.2 engine swap questions
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I just bought a 99 dakota it use to be a v6 the
owner before me did an engine swap to the 5.2 i
changed the PCM and cant get it to start unless im
spraying fuel to it im getting engine codes P1388
and P1389 auto shut down runs fine as long as im
feeding it gas myself gas pressure is 50 psi before
the fuel rail any suggestions would be helpful
Thanks



redeemedson1
Dodge Dakota
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2/13/2015
00:48:16

RE: 3.9 to 5.2 engine swap questions
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Randy--- The 5.2 and 3.9 are balanced the same and you should be able to use the same flywheel etc etc on both. The 5.9 would be different as it is externally balanced. Electronics and wiring are going to be an issue. You would need a computer and wiring for the 5.2 from a donor truck. The other way to do it would be to convert it to run a carb.



Richard
Dodge Dakota
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3/15/2015
22:41:45

RE: 3.9 to 5.2 engine swap questions
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i just completed at 98 3.9 Dakota Auto 2wd swap with a 99 durango 5.2L donor. I changed motor and tranny together. cranked up fine. the cluster is not working and every light is on along with the security light. truck shifts out good and runs great just no cluster and odometer has an error. Does anyone know what kind of PCM I need?



Gray Grantham
Dodge Dakota
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6/06/2015
12:29:09

RE: 3.9 to 5.2 engine swap questions
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I have a 94 Dakota 5.2 with a blown AT. I am
planning on converting to 5 Speed Manual. I
have an AX15 5 Speed out of a 94 Dakota with a
3.9 (the 3.9 Bell Housing fits the 5.2 - 318).

1. Will the stock 318 pilate bushing fit the
pilate shaft of an AX15 (3.9 engine's stock
tranny)?

2. Will the stock pressure plate (bolt pattern)
for the AX15 (3.9) fit the bolt pattern for the
Stock 318 flywheel? I have to buy a flywheel I
am assuming I should get teh 318 flywheel but
don't know if it is any different than the 3.9
flywheel.

3. If I have to use the stock 318 pressure
plate is there a specific (size) clutch plate t
ue that fits the splines on the AX15 shaft?


I see the AX15 bell housing for the 3.9 being
marketed all over ebay as a Jeep 5.2 AT to
manual conversion so I'm guessing this is not
all that unusual a swap.



daddio
Dodge Dakota
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6/09/2015
19:55:27

RE: 3.9 to 5.2 engine swap questions
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Don't use the AX15. Find an NV 3500 or 3500HD. Both were
used behind the 3.9 and 5.2 and it will outlast the AX15. The
AX15 was only designed for the 3.9 I believe.



Rusty
Dodge Dakota
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2/16/2016
13:23:37

5.2 engine swap to a 4.7 manual trans truck
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I have a 03 ram with blown 4.7 with 5 speed manual trans . I
want to replace the 4.7 with a 5.2 I have . What will I need to
complete this swap?



Chelsea
Dodge Dakota
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3/31/2016
22:50:23

RE: 3.9 to 5.2 engine swap questions
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I have a 2003 3.9 4x4 standard that I am wanting to drop a 5.2 into. I have found a 1998 5.2 4x4 standard out of a dodge 1500. Can I use the wiring harness and computer out of the 98, or will I have to mash up the harness' to make it work?



Mikota
Dodge Dakota
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5/12/2016
23:25:12

RE: 3.9 to 5.2 engine swap questions
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Message:
So just to clarify for a few posters to do the swap from 3.9 to
5.2 you need the flex plate wiring harness and Pcm the flex
plate has 8 window for the cps to read if you are 92 and up
you have efi 92 and down was Tbi the 42rh tranny was
common for the 3.9 but in 95 both the 3.9 and the 5.2 used the
42rh tranny most other 5.2 used the 46rh tranny after 96 they
switched to 46re tranny witch was electronically controlled as
arose during to previous hydronic controlled



JM4
Dodge Dakota
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6/16/2016
13:03:05

RE: 3.9 to 5.2 engine swap questions
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Message:
So I've been reading thru here. Seen a lot of things and have
some things answered.

My question is.... My 93 Dakota 3.9L 5speed. I'm pulling a 5.2
out of 97 ram, and ecu out of a van with 5.2 but the correct
harness plug in. Now with that being said will I need to worry
about that ecu trying to get signal from the auto trans that no
longer exist or no?

Another question is souls I pull the harness from the van or
find the wiring diagram and find the way to connect my 2
missing injectors into my 3.9l? Or cut connectors with my van
ecu and then soder in all the wires if they match and when im
left with the injector wires left I'll know where to finish up. Bad
idea.??? Thank you for your help



oss brewer
Dodge Dakota
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9/26/2016
22:25:46

RE: 3.9 to 5.2 engine swap questions
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Message:
I've gotta 97 dodge Dakota sport v6 magnum 5
speed an I've gotta 2001 Dakota 318 magnum 5
speed with computer wiring harness inside an out
flywheel will I be able to put all the 2001 v8
parts in the 97 without any problems



JTM
Dodge Dakota
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12/06/2016
11:26:16

RE: 3.9 to 5.2 engine swap questions
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I have a 2002 dodge dakota sport 4x4 auto trans, with a 3.9l
v6. Will a 5.2l fit? Does it matter what year 5.2l it is? Any
suggestions?



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