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steveo2777787
Dodge Dakota
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2/09/2004
21:36:02
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 Subject: RE: 87 4x4 V8 swap?
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ya that sounds like a plan with the 360.. speakin of 360...... will it drop in the like the 318 (just incase i happen to find one in good shape)?
that aint too bad for the tranny.. but to get it out would take some time and effort. iv had my experiences with a yard or 2. gotta love the guard dogs... but findin good peices and gettin them off aint a breeze.
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gen1dak
Dodge Dakota
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2/10/2004
10:13:52
| RE: 87 4x4 V8 swap?
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Yeah, it'll drop in. The driver-side mount is different on LA 340/360's, same on the passenger side, but you can get those off any 360. This carried over on the Magnums (ears), which isn't an issue for the Magnum-style (low-center block) mounting. With the 360, remember that it's externally balanced, so the torque converter will have balance weights on it. This was the case til '96 when they went to zero-balance converters like the 318's. The balance weights were moved to the flexplate when this change was made. At the same time, the bolt patter on the flexplate was changed, so you can't use a pre-'96 318 converter with a post '96 flexplate. They really like to keep us from re-using old parts, huh?
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steveo2777787
Dodge Dakota
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2/10/2004
16:47:16
| RE: 87 4x4 V8 swap?
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haha ok, thanks gen 1. ill be on a look out for a 360 now too.
onto the exhaust. i have the stock Y pipe and cat and flowmaster catback (dual 2 1/4" i.d. tail pipes, will this work or will i have to get a bigger Y pipe and such.? possibly find one from a gen II 318 dak and use that?
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gen1dak
Dodge Dakota
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2/10/2004
17:00:33
| RE: 87 4x4 V8 swap?
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The stock deal will work but will be awfully restrictive. I'd shoot for something bigger. Even a stock Magnum setup would breathe better. Your Flowmaster and duals would be okay though.
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steveo2777787
Dodge Dakota
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2/10/2004
17:55:15
| RE: 87 4x4 V8 swap?
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ok.. sounds good... ill look for the 318 Y pipe and intermediate pipe into the cat.. then eventually get a good Y pipe and intermediate made.
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steveo2777787
Dodge Dakota
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2/10/2004
18:00:14
| RE: 87 4x4 V8 swap?
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OOO i remember what i wanted to ask.. would it be worth changin the gears in the rear end (front end would need changed too right?)? or findin a limited slip differential?
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gen1dak
Dodge Dakota
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2/11/2004
00:21:48
| RE: 87 4x4 V8 swap?
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Yeah. Well, now you'll be running the 3-speed? Hmmm, wouldn't go past 3.55's for street duty. 3.90's are good with the overdrive, but without, unless you're strictly off-roading, 3.90's are pushing it with a 3-speed. I'd look into some sort of LSD/Sure Grip too. Both sets of gears will have to be changed. Wait on that sort of stuff. See what you have with the swap. Then address the issues of traction, etc as you identify them.
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steveo2777787
Dodge Dakota
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2/11/2004
16:11:44
| RE: 87 4x4 V8 swap?
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ya im keepin the 3 speed. i was just curious. with the posi, would i have to swap the front too?
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gen1dak
Dodge Dakota
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2/11/2004
20:53:24
| RE: 87 4x4 V8 swap?
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Would you have to swap gears in the front? Yeah, if you ever planned on going 4wd.
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steveo2777787
Dodge Dakota
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2/11/2004
21:59:49
| RE: 87 4x4 V8 swap?
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ok .. thats wat i figured.. just makin sure... better safe than sorry
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Dakota90
Dodge Dakota
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3/21/2004
22:21:54
|  RE: 87 4x4 V8 swap?
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I have a 1990 dak with a 3.9 in it right now and am looking at putting in a 340 in it i realize that there will be problems with the oil pan (some custom work may need to be done) and that the fan clearing the rad might set me bak but i think i have that licked i was just wondering what you used for exhaust manifolds or if it is possible to bolt headers on with proper clearance . any help regardin ne problems i may face will help thnx
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redcavyguy
Dodge Dakota
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3/22/2004
23:33:10
| RE: 87 4x4 V8 swap?
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i dont know if this helps you much dakota90 but for my 87 4x4 318 swap i used magnum exhaust manifolds from a 95 pick-up. the 318 was a 85 LA motor. im not sure how different 318 heads are from 340 heads.
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steveo2777787
Dodge Dakota
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3/23/2004
18:59:07
| RE: 87 4x4 V8 swap?
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hey cavy guy, whatd did you do for motor mounts? i know the mag 318 will use the stock motor mounts, but not the pre mags. and i know they make a 2wd kit, but not a 4wd swap kit.
thanks
steve
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Dakota90
Dodge Dakota
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3/23/2004
23:20:04
| RE: 87 4x4 V8 swap?
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thnx cavy actually the 318 and 340 heads are the same a direct bolt on but i would also like to know bout the motor mounts cuz im usin an old school engine to of coarse
i would really like to know bout the motor mounts and also how much clearance is on the manifolds do u think that headers would clear
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bakindak
Dodge Dakota
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3/25/2004
12:45:04
| RE: 87 4x4 V8 swap?
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Hey gen1
Can you clarify a little more what you were saying about the roller cam LA's and pushrod oiling.
I got a little confused in your post about how it is oiling. Is it oiling through the block or is it coming up through the pushrods.
Thanks
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redcavyguy
Dodge Dakota
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3/30/2004
18:48:07
| RE: 87 4x4 V8 swap?
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dakota90: to do the motor mounts on my 318 i fabbed up some metal to be welded. the pass side is easy. weld a mount off the side of the frame and for drivers side its a little tricky. my mount comes up from the bottom of the frame where the front crossmember is. im not sure what it is. it connects the two side of the frame together. thats where i welded that mount right next to the power steering box. as for clearence of the ehaust manifolds, there is plenty of room for headers. get some that were ment for a newer style dodge dakota. the only thing you need to do is weld shut all the air passages for egr/air pump underneith each exhaust port. you will se what im talking about when you look at the side of the heads. there holes about 1/8" big. you need to do this because the newer manifolds dont accept those holes on the manifolds. if you dont weld them you will have an exhaust leak at every cylinder.
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dakota90
Dodge Dakota
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3/31/2004
22:32:32
| RE: 87 4x4 V8 swap?
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hey red cavy thnx alot bud i look forward to doin it i juts have to sell my car first
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superbee
Dodge Dakota
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2/06/2005
18:19:04
| RE: 87 4x4 V8 swap?
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im looking toi put a 95 318 from a dakota in my 1990, i got a rolled dakota for $600 so i have everything, fromaxles, to engine, pcm, tranny, wires, the whole sheebang, im hoping it wint be hard at all to do this
we will see
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