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Matt9364
Dodge Dakota
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4/12/2005
21:08:15
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 Subject: V6 to V8 conversion
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Message:
HELP! Just wondering if dropping in a 318 into my '93 which currently has a 3.9 is a big task. Just got this truck and it looks sweet but the motor has over 200k miles on it and will need a motor soon. I have been told that a 318 will pretty much drop right in? Any other V8 suggestions? Thanks!
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jevanof
Dodge Dakota
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4/13/2005
08:31:30
|  RE: V6 to V8 conversion
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Good luck getting answers on this site. I want to do the same thing, from what I am told the Throttle body body and computer are the hardest tasks that you will have, I think i am going to go with a carberated motor and new transmition. I am even considering a Small Block Chevy motor like they do with jeeps. Let me know if you find anything out my email is jevanof@yahoo.com
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daddio
Dodge Dakota
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4/13/2005
08:50:22
| RE: V6 to V8 conversion
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Message:
you know guys, if you had doen a search on here first you'd know why noone was quick to answer.
Now,
Matt, yes it is pretty much a drop-in, try for same yr motor & comp as your truck and add wiring for the 2 extra injectors.
jevanoff, if you want something besides a mopar motor, do some research on a BUICK 455. something from the yr 69-70, w/ factory 10.25:1 comp, rated @ 350hp and 510ftlbs of torque @ 2800rpm and the weight of a chevy smallblock.
can you say "tire smoke"?
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Matt9364
Dodge Dakota
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4/13/2005
11:24:58
|  RE: V6 to V8 conversion
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Message:
Thanks for the replies! I am thinking that I would also like to go with carb motor and def a new trans. Isn't the big block quite a project to put into this truck? I would love to drop a BB into this thing and let her rip but it seems as though the parts are harder to come by than the small blocks? And money is an issue for me. I don't have an unlimited budget to work with.
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daddio
Dodge Dakota
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4/13/2005
11:56:04
| RE: V6 to V8 conversion
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there are a couple people on here that have gone to BB's. do a search for "intense dak 39", he's a member here that has a mopar 400 BB in his GenIII dak.
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IntenseDak39
*GenIII*
4/13/2005
13:45:31
| RE: V6 to V8 conversion
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Message:
parts are cheaper for big blocks than magnums... end of story.
and people will tell ya about how you're gonna be too nose heavy with a BB... well a 400 BB is only 60 lbs heavier than a 360. Trade the cast iron intake for an aluminum and you're down to 30 lbs. Swap the cast water pump for an aluminum and you just about break even...
440's are a little over 100 lbs heavier than a 360 though.
another fact... BB heads weigh less than SB heads (magnum or L/A). Shorter head and bigger cooling passages.
my motor is very mild and put down 302 rwhp and 398 rwtq a week ago. Mild being stock heads, valves, pistons, rods, crank, bore.. etc etc.
i'm very happy with it but i'm gonna be shooting for a little more in the future.
Matt,
it was a project to put a big block in my genIII (97-04) dakota... but with your genII, you can go spend $400 on brackets from www.engine-swap.com and any mopar B or R/B motor will bolt in... cannot get any easier.
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justin
Dodge Dakota
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4/13/2005
18:43:44
| RE: V6 to V8 conversion
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so is a 3.9 to a 5.2 something i can do myself? or do you need some sweet tools and major time?
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N56629
Dodge Dakota
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4/13/2005
19:08:13
| RE: V6 to V8 conversion
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Shouldn't take you much more than an afternoon with just an adjustable wrench and a phillips screwdriver. Replace the timing chain gears with some nylon ones before you put the 5.2 in.
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Matt9364
Dodge Dakota
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4/13/2005
23:17:48
| RE: V6 to V8 conversion
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IntenseDak39,
What year 400 did you pick for your truck and why? I am pretty knew, no check that, really knew to Dodge except helping my friend way back in high school work on his Dart Swinger which had a 340. I would think that a 400 would be easier to come by than a 440 for a reasonable price? Could you use a 400 or 440 out of an older Dodge motorhome or are their big differences in the engines used in the older mopars?
Thanks for all the help guys!
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jevanof
Dodge Dakota
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4/14/2005
12:50:07
| RE: V6 to V8 conversion
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Message:
What is a good transmittion, my truck is a 4X4, dont know if that matters at all.
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gen1dak
Dodge Dakota
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4/14/2005
13:42:56
| RE: V6 to V8 conversion
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NYLON timing gears?!!!! ARE YOU NUTS?!?!?!
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IntenseDak39
*GenIII*
4/14/2005
14:16:25
| RE: V6 to V8 conversion
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all 400's are the same basic form. Same low compression, same flowing heads (most were 452's), same mounts.. etc etc
the 72-73 used a heavier metal so theoretically it's stronger.. but even the later models can support up to 600-700 hp and not crack.
mines a 76.
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another mark
Dodge Dakota
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4/14/2005
19:09:05
| RE: V6 to V8 conversion
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Message:
I wish I could put whatever engine I wanted to in my Dak out here in California. Smog, ugh.
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IntenseDak39
*GenIII*
4/14/2005
21:26:14
| RE: V6 to V8 conversion
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Message:
sometimes you just gotta pay a little more..
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