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Mikeysmonte
Dodge Dakota
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2/06/2007
08:44:14
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 Subject: v6 to v8
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I want to put a 318 in my 87 dakota 4x4, it has a 3.9 and i was told a 318 would bolt directly to the automatic tranny it came with,, T or F?
Thanx Mike mikeysmonte@yahoo.com
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yea but
Dodge Dakota
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2/06/2007
13:16:05
|  RE: v6 to v8
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it will bolt to the tranny
same motor 3.9 v6 = 318 minus 2 cyls.
i'd wonder if the V6 tranny would hold up and
for how long
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Mikeysmonte
Dodge Dakota
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2/06/2007
13:51:50
| RE: v6 to v8
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Im not worried about the tranny holding up, gonna rebuild it tight, not gonna beat it, just want the 318 so i can put headers and a 3 inch exhaust LOUD AND TALL!!! small lift and 33,s. Being a short bed it'll look tough. Does anyone know a good place for headers for this or does anyone have them???
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hemichuck
Dodge Dakota
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2/06/2007
16:05:14
|  RE: v6 to v8
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Theres a couple of things to think about before you dive in.The trans will work fine because its the same trans that Chrysler has used behind the 318 and 360's for the last 30 years.The first problem you will encounter is that the earlier(91 and down v-8's) dont have the motor mount boss that it takes to bolt a v-8 into your truck. Most of the magnum motors have the mounting bosses that you need.The only way around this problem is to use the Schumacher swap kit to mount the early block(very expensive)
The next problem is that the early pre 91 Dakota with the flat front lacked the radiator clearance to install a v-8,thats why they rounded the front on the 1991 and up trucks.You can overcome this problem by upgrading to the 1991 and later core support and bumper and headlights,hood and grill or you will have to run an electric fan in front of your radiator(you might want to check this clearance also) any of the later headers for the Dakota up to 1996 should work as long as they are made for a 4 by 4.The later magnum stock manifolds will work too.You might have a small frame interferance problem on the passenger side,requires a little cutting and welding.There are a few other minor problems you will encounter.If you need to kmow anything about this swap you can e-mail me at chuckied@labsco.com Good luck,hemichuck
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Mikeysmonte
Dodge Dakota
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2/06/2007
17:06:26
| RE: v6 to v8
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wow, that actually dont sound extremly bad, it needs a front clip(sort of) due to the guy i got it from use a fire hydrant to stop it when the breaks went out. Or he was drunk off his gorde...
Now i know what to look for, if I get a magnum motor will I be able to run it without all the computer crapp most of those years have came with, I wanted an older motor so I could run a basic 4 barrel and GM hei. I put a gm hei on my last 318 and WOW what a huge difference in everything. Thanx for the info, Got your email address and im sure will have more guestions as I dig in... mikeysmonte@yahoo.com
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hemichuck
Dodge Dakota
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2/07/2007
09:05:45
| RE: v6 to v8
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You can run a magnum engine without all of the fuel injection by changing the intake manifold to a 4 barrel style available from Mopar performance or edelbrock or my personal favorite is the crosswind manifolds that are identical to the edelbrock part for $100 less.they usually bring around $150-$160 on e-bay.You can use the factory chrysler electronic ignition that was used in just about everything from 1973 up.I have a wiring diagram that shows how to hook it up.The front cover and all of the accesories off of the V6 should bolt up to the V8. Magnum motors are starting to get cheap in the junkyards.Around Louisville you could pick one up at pull-a-part for $150.Good luck,hemichuck
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Super bee
GenI
2/07/2007
10:24:23
| RE: v6 to v8
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buy a wrecked 92-96 dakota
swap everything
thats what i did
1990 sport RC SB, 1995 318drivetrain, 3.92 gears (came with truck) Powertrax "traction system", 95 dash/steering wheel, hearthrob exhaust, headers, cutout after y-pipe, necessary electric fan add-a-leafs, 30x9.5 mud tires, cranked T-bars, AR 39 15x8 rims, grill guard, roll bars
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Mikeysmonte
Dodge Dakota
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2/07/2007
17:32:20
| RE: v6 to v8
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Message:
thanx all 4 the info, could be a fun build, im gonna try to do this on a tight budget but i have till I want to get it done to do it so im under no time constraints, would like to have most of it done before nov. then i can do a bunch of body crap and get it ready for paint next spring, nothing fancy just plain white with a set of blue flames, thanx again. Mike
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Super bee
GenI
2/08/2007
10:37:07
| RE: v6 to v8
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i think mine came out to like 2k for ev erything
the wrecked dakota, all parts including some stuff i didnt need but wanted, like headers
and had to have a driveshaft custom made
1990 sport RC SB, 1995 318drivetrain, 3.92 gears (came with truck) Powertrax "traction system", 95 dash/steering wheel, hearthrob exhaust, headers, cutout after y-pipe, necessary electric fan add-a-leafs, 30x9.5 mud tires, cranked T-bars, AR 39 15x8 rims, grill guard, roll bars
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Mikeysmonte
Dodge Dakota
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2/08/2007
20:02:39
| RE: v6 to v8
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I was told to ask by a very reliable mechanic friend of mine to ask a question about the tranny, he says its very possible the v6 tranny has less clutches than the v8 tranny, if so he suggests i get a tranny from a v8 with the 318 to rebuild also,,, I have rebuilt a few turbo 350's but never a 904, is this a possibility?? or will the one in the truck do just fine with a new rebuild kit and shift kit??? and what gears typically came with this truck?
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hemichuck
Dodge Dakota
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2/09/2007
11:12:59
| RE: v6 to v8
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The V6 trans might have a different clutch pack but I wouldnt bet on it.It would probably be simpler if you plan on building the trans anyway to just have your trans guy swap the clutch drum out of a heavier application.Most of the time its the same drum with different clutches and steels so the cost would be minimal.The rebuild kits usually have the clutches and steels to handle just about any application that the particular trans was used in which means everything from a V6 to a 360 V8.This trans design came into play back around 1962 and was used in darn near everything Chrysler built. To be honest I wouldnt even worry about it.
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Mikeysmonte
Dodge Dakota
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2/09/2007
20:51:59
| RE: v6 to v8
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Message:
ok now that i have 99% of the info i need to attack this truck idea i have, thanx to all for the great info. Now I need to find a 91 or newer 5.2(318) cheap. Im not talkin 50 dollar junk motor cheap but the best ive found around here so far is a 92 with 152k for 350 bucks. Im not sure if thats alot of miles for that engine or not. also need the headers and if at all possible magnum tags for the side just for fun. Im located in SW Pa. close to pittsburgh. thanx again for all the help... MIKE
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Super bee
GenI
2/11/2007
00:29:39
| RE: v6 to v8
IP: Logged
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go 92 or 93
had a different cam and bigger exhaust
the 91 was a pre-mag
which can also be built to be powerful, but the mags will come with more power right out of the truck
1990 sport RC SB, 1995 318drivetrain, 3.92 gears (came with truck) Powertrax "traction system", 95 dash/steering wheel, hearthrob exhaust, headers, cutout after y-pipe, necessary electric fan add-a-leafs, 30x9.5 mud tires, cranked T-bars, AR 39 15x8 rims, grill guard, roll bars
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