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Pete
Dodge Dakota
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3/21/2002
17:53:19
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 Subject: 1989 Dakota 4x4 auto 3.9l to 5.2l
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Hey I have been looking all around for info on swapping my tired old 3.9l 4x4 Auto for a 5.2l. My Main question is will my truck have the adjustments for the motor mounts like in the 1991 trucks? I love this truck and don't really want to drop another 3.9 into it, my old one had 150,000 miles on it when I got it and always seemed really weak. I can buy a '89 3.9 with 72,000 and a 2 year parts/labor warranty for $630. Should I just do that because of ease of install? Another thing would it be easier to use a carburated 318 to avoid the computer stuff?? Just looking for your opinions, I'm hurting without my ride, but I can manage for awhile without it. I have about $1000 in the stereo alone =( hehe but thats about all I can spend on this swap. Any info will be awesome
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TigerDak
Dodge Dakota
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3/21/2002
22:52:21
|  RE: 1989 Dakota 4x4 auto 3.9l to 5.2l
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I am skeptical about a V8 having enough room to fit under your hood. It might be too big of an engine to fit in the first place. You should be able to fit a V6 Magnum engine in there however. But doing all of that means playing around with the computer, electronics, transmission, etc. and you are spending more and more money. I'm happy with that Gen I V6 engine. Do you have any mods?
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Pete
Dodge Dakota
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3/21/2002
23:02:51
| RE: 1989 Dakota 4x4 auto 3.9l to 5.2l
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Nope no mods at all, well I removed the smog equpiment and the cat, I have a single glass pack on it at the moment, I live in Iowa so no worries =). I know I could fit a 318 into it easy enough, the Shelby Dakota proves that, and the Gen II Dakotas came with the 318 option. I just recieved a ICQ from my Brother in law who can hook me up with a 360! hehe man I must be crazy for even considering that, but it would be a project. There is a website where someone swapped a 3.9 for a 360 here is a link http://cc.ysu.edu/~s0234969/newsletter_dak.html it looks like a lot of work, but just imagine the next time you pull up to a Z-71 or a Ford at a stop light, that would be so cool!
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Super Bee
Dodge Dakota
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3/22/2002
01:56:18
| RE: 1989 Dakota 4x4 auto 3.9l to 5.2l
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hey tigerdak
the 318 will fit with some work
look at the shelbys as he said
aperanly its jsut a matter of swapping in an electric fan instead of the usual kind, plus taking the fan off alone gave the shelby 5 more hp than it would have had with the normal fan, or so the story goes
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Joe E.
Dodge Dakota
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3/22/2002
17:28:52
| RE: 1989 Dakota 4x4 auto 3.9l to 5.2l
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I have also heard that the 318 will fit in the GenI daks. Thats is all I think about now. I have heard that the fan has to go and an electric one goes in. Plus I heard that some guys get a 2 or 3in cowl hood to hold a bigger intake. Or a body lift will do. Right!!!!!! But I am pretty sure that old 318s will plug right in though. Look at walt Ing site. he says the mounts match right up. I hope it can be done. I hate my 3.9 weaker engine. Its fine for mow, but eventually it will go. Good Luck in you hunt.
Joe E.
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TigerDak
Dodge Dakota
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3/22/2002
22:41:18
| RE: 1989 Dakota 4x4 auto 3.9l to 5.2l
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Yes I'm familiar with the Shelby Dakota's engine sizes of 318. I thought you were referring to the big block 350's and even bigger! I know a guy in idaho that did a 318 swap. he hasnt got a website documenting everything, but it sure runs awesome.
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dodge-n-it
Dodge Dakota
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3/24/2002
07:36:49
| RE: 1989 Dakota 4x4 auto 3.9l to 5.2l
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check out www.engine-swaps.com they have mounts for all the v8 swaps into the dakota. theres pictures of an incomplete with a 440. you do have to put in an electric fan.
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dodge-n-it
Dodge Dakota
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3/24/2002
07:44:10
| RE: 1989 Dakota 4x4 auto 3.9l to 5.2l
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i think i saw some place that you will need an oil pan from the 91 318 dakota 2wd which is no longer made. also the oil pump. or else you will be making your own. ive been looking into this for a while now. its kind of on the back burner now untill i finish my 4x4 dak and have the extra cash and time. i have just about everything to do it so far.
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Joe E.
Dodge Dakota
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3/24/2002
10:51:17
| RE: 1989 Dakota 4x4 auto 3.9l to 5.2l
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What about hook ups to the tranny? I am very intrested in the swap. I too must chill on this until I get alot of extra cash. But any info is great Thanks.
Joe E.
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dodge_n_it
Dodge Dakota
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3/24/2002
11:09:05
| RE: 1989 Dakota 4x4 auto 3.9l to 5.2l
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as far as i know right now, it should bolt up. the 3.9l is a 318 with 2 cyls cut off. my truck is a 4cyl stick im not sure yet if im going to see if i can get a bell housing or stuff the whole drive train in with the auto thats with the 318 i have.
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Joe E.
Dodge Dakota
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3/24/2002
11:12:55
| RE: 1989 Dakota 4x4 auto 3.9l to 5.2l
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What kinda HP can you get outa a 318. I mean with the typical mods, intake, exhaust, headers, etc. Thanks.
Joe E.
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dodge-n-it
Dodge Dakota
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3/24/2002
11:21:22
| RE: 1989 Dakota 4x4 auto 3.9l to 5.2l
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im not sure on the horse power ratings. you might find something in previuos posts, if you go through search.
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Craig G.
Dodge Dakota
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2/06/2003
17:52:08
|  RE: 1989 Dakota 4x4 auto 3.9l to 5.2l
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Im not sure about the oil pump and pan swap, but I know it will fit good. I have a 318 w/929 transmision I am going to put in my GenI Dak and the only problem Im having is finding a engine controller for a Shebly so I can have a FI small block. Any ideas on where I can get one (done tried the dealership)?
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steve
Dodge Dakota
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2/06/2003
18:55:31
| RE: 1989 Dakota 4x4 auto 3.9l to 5.2l
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you can bolt a 318 in with atruck oil pan,but check to see if its a cast or steel crank,cast is ext.balance,steel int.,if its cast the torque converter will need to be balance,plus you,ll need tobuild motor mount pieces they are different and exst. manifolds exit in the rear on 3.9,s and in the center on full size p/u.the trans. are the same bolt pat.PS check with MP for mounts and balance kit....
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steve
Dodge Dakota
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2/06/2003
19:05:56
| RE: 1989 Dakota 4x4 auto 3.9l to 5.2l
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you could put 1.88 int./1.60 ext. valves inyour heads do a port job on your 3.9 a cam try comp cam,aset of headers try summit racing,a jet chip,this should get you 50-75 hp.
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Warlord
Dodge Dakota
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5/05/2003
02:07:37
| RE: 1989 Dakota 4x4 auto 3.9l to 5.2l
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I have a 1991 dakota with the 2.5L 4-cyl. I also want to drop the 318 in. What additional parts/swapped parts will it take? I have $8500 to spend
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whiteboy
Dodge Dakota
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5/05/2003
09:56:47
| RE: 1989 Dakota 4x4 auto 3.9l to 5.2l
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of course a 318 would fit with no problem. ive got a 440 wedged in my 91' dodge dakota with slight modifications she gets all 5 gears sideways on any surface. heck she'd get 5Th if she was ridin on super glue.I recommend gettin a 360 crate motor from jegs or summit
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Joe E.
Dodge Dakota
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5/05/2003
15:56:46
| RE: 1989 Dakota 4x4 auto 3.9l to 5.2l
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Isnt a 360 the same block size as a 318 just larger bores? I know a 318 will fit fine with a electric fan, but whats the status of a 360 in there??? How many HPs are you runnin whiteboy?
Sounds like a bad ass dak. Can you send me a pict of the engine compt? joelliott82@hotmail.com
Thanks and good luck to both of you.
Joe E.
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Kracker
Dodge Dakota
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5/05/2003
22:19:28
| RE: 1989 Dakota 4x4 auto 3.9l to 5.2l
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i know you can fit 318's in 2wd GEN1 dakotas, but i heard that something to do with the 4WD system interferes with fitting that size of an engine, keep in mind, all shelbys were 2x4's.
---Kracker
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SuperBee
Dodge Dakota
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5/05/2003
22:45:22
| RE: 1989 Dakota 4x4 auto 3.9l to 5.2l
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its been done b4, i could MAKE it fit
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S.N.
Dodge Dakota
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5/07/2003
22:08:28
| RE: 1989 Dakota 4x4 auto 3.9l to 5.2l
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I have a 1987 4x4,3.9 Auto A998 Trans. Also a 1998 Dakota Sport 318 - 5sp. Both run well BUT! I desided to build a V8 for the 87 so I beefed up a mid 70's 360 .030 over flat top,J heads reworked with proformance valve train from Mopor Proformance, 2.02 / 1.60 valves very close fit ported and polished. Eldb. Air Gap Intake And A Carter AFB 600 cfm 4bbl.Cam is Comp. 234 Dur. .498 lift The problem I find is in the transmission The only 4x4 auto trans. in this truck as far as I know was an A500 4sp. in 1991 V8 model. The A998 3sp. JUST COULD NOT HANDLE THE STRESS!!
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Warlord
Dodge Dakota
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5/08/2003
08:25:18
| RE: 1989 Dakota 4x4 auto 3.9l to 5.2l
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Will I have to replace my current transmission to handle the larger 318? If so, what size do I need to get?
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