92 dakota 3.9 to 92 dakota 318 swap - Dodge Dakota Forum : Custom Dakota Truck Forums
V6 Performance Upgrades for your 3.7 or 3.9 V6

 
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post #1 of 7 Old 09-30-2009, 04:28 PM Thread Starter
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92 dakota 3.9 to 92 dakota 318 swap

ive got a 3.9 seized and i found a 318 with a computer and wiring for 150.. where to i need to rewire for a 318 and will motor mounts be the same and what else will need to be swapped of moved


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1992 Dodge Dakota
3.9l v6 magnum
5 speed
2wd

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post #2 of 7 Old 09-30-2009, 05:54 PM
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motor mounts are the same, I have the 3.9 ones on my 5.2. There is really no "re-wiring" just unplug the old harness and computer, stick in the new one and your on the road.

With the 5 speed I would more be worried if the flywheel is the same, is the v6 clutch the same as the 8?

Other then that theres really nothing to worry about. I had to get longer heater hoses, if your keeping the stock fan youll have to trim the shroud. Your v6 rad will be fine.

I garentee if you start friday night you can drive it monday to work


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1994 Dakota CC, 318 Magnum, Ported heads, M1 2bbl, CompCams 212/218, 1.6rr's, MP PCM, MSD 6al, 52mm TB, Pacesetter Headers, Custom 2.5'' Y-pipe with Single 3'', HF cat, Autolite 9232's, Richmond 4.10 Gears w/ Auburn LSD, 3/4 Belltech Drop, B&M Hammer Shifter
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post #3 of 7 Old 10-01-2009, 09:20 AM
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If you are keeping it a stick, you will need the v8 flywheel (I got one if you need it, shoot me a pm) in order to get the propper timing going. The clutch should be the same, but I'd change that as well if I were you. The Ax-15 should hold up, as long as you don't beat on it much.

91 Dakota Ex Cab
former memember of Cramped 1/4's
87 Dakota (RIP)


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post #4 of 7 Old 10-01-2009, 07:46 PM Thread Starter
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[quote=deanler;123141]There is really no "re-wiring" just unplug the old harness and computer [quote]

my trucks not at my place right now but where does it unplug from?


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1992 Dodge Dakota
3.9l v6 magnum
5 speed
2wd

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post #5 of 7 Old 10-01-2009, 08:45 PM
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theres one big square plug thats bolted to the firewall..then all the plugs for injectors, sensors and a couple grounds.. then the plug for your pcm thats bolted on

You can honestly have the harness out in about a half hour


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1994 Dakota CC, 318 Magnum, Ported heads, M1 2bbl, CompCams 212/218, 1.6rr's, MP PCM, MSD 6al, 52mm TB, Pacesetter Headers, Custom 2.5'' Y-pipe with Single 3'', HF cat, Autolite 9232's, Richmond 4.10 Gears w/ Auburn LSD, 3/4 Belltech Drop, B&M Hammer Shifter
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post #6 of 7 Old 01-23-2010, 09:38 AM
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i got a 94 3.9 auto....is there a swap out there that would be as easy as this one??
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post #7 of 7 Old 12-11-2018, 07:43 PM
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I hope my 1990 3.9 keeps going Like the fuel economy I get with it
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