soon to start 4.7 to 5.7 hemi swap...need help please - Dakota Durango Forum
5.7L Hemi Engines Does that thing got a HEMI?

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post #1 of 71 Old 05-02-2011, 03:36 AM Thread Starter
SilverDakota03
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soon to start 4.7 to 5.7 hemi swap...need help please

So I am soon to start a 4.7 to 5.7 hemi swap...my 2003 4.7 is close to 200,000 miles so I want to start planning out my swap just in case my engine takes a crap..knock on wood though. So I am looking for knowledge of anyone who has worked with this material before. So first off what year hemi works best and out of what vehicle should I get the 5.7 out of? Secondly will my 03 4.7 tranny fit directly to the 5.7 or will I have to make changes
or get a new tranny? Thirdly what new wiring, wiring harnesses, etc will I have to get? I already know that I will have to fab up a new oil pan and that is no problem. I have probably left out much info so please feel free to bring it up. Thank you everyone for your help.
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post #2 of 71 Old 05-08-2011, 06:11 PM Thread Starter
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Anyone?
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post #3 of 71 Old 05-09-2011, 10:25 AM
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I would suggest that you start by reading a bunch of the Hemi swap threads. A lot of you questions will be answered there.
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post #4 of 71 Old 05-12-2011, 12:42 AM Thread Starter
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yes I know, but i was wishing to start a new thread/ build thread....it would just be a little more convenient to have all the info in one place, so I wouldnt have to spend alot of time looking for it.....call me lazy I guess..haha...i dont mind
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post #5 of 71 Old 05-12-2011, 03:53 AM
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i would go with a 2005 or newer Hemi. What trans do you have and are you 2wd or 4wd? Get the engine harness and PCM as a minimum. If you can get the engine bay harness and DBW pedal that would be a good idea.


Bruce
1998 Dakota - - 5.7 Hemi - RCC#115 - 6.1 Cam, pushrods & springs, DS Predator 91 tune, LX intake manifold, aluminum fuel rails, 2006+ coils & valve covers, SST dual exhaust, Magnaflow muffler & Pypes tips, 545RFE w/ Sonnax line pressure booster, Lokar floor shifter, 9.25 diff w/ Powertrax Lock-rite locker, Dynamic Grounding system,Viper electric fan, custom aluminum fan shroud & CAI, hood nosed, tailgate and fenders shaved, Sir Michaels rollpan.
My Hemi build thread
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post #6 of 71 Old 05-19-2011, 04:02 AM Thread Starter
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Got the 5 speed automatic...2wd
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post #7 of 71 Old 05-22-2011, 12:32 AM
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Garage
Smile 4.7L to hemi.

Why not a 2008 and up 4.7L. Has higher compression better intake and a 90% bolt up? with the pcm from that veh. with less money$$. god bless. and good luck!

Last edited by dakota 2.5L; 05-28-2011 at 03:37 AM.
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post #8 of 71 Old 05-27-2011, 03:13 AM Thread Starter
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I have always wanted a hemi...would make a great project
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post #9 of 71 Old 05-27-2011, 04:01 AM
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Quote:
Originally Posted by dakota 2.5L View Post
Why not a 2005 and up 4.7L. Has higher compression better intake and a 90% bolt up? with the pcm from that veh. with less money$$. god bless. and good luck!

Have you priced 4.7s ? They are outrageous!
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post #10 of 71 Old 05-27-2011, 04:04 AM
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Garage
Smile For 100th time yes it's got an "H"

All the best to you and god speed in your swap!
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post #11 of 71 Old 05-27-2011, 04:11 AM
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Smile price

Quote:
Originally Posted by Jasoon View Post
Have you priced 4.7s ? They are outrageous!
What about hemi"s threr hi as giraffe nuts!
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post #12 of 71 Old 05-27-2011, 04:25 AM
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Quote:
Originally Posted by dakota 2.5L View Post
What about hemi"s threr hi as giraffe nuts!
I've seen hemis quoted as low as 1100 engine only, 2500 with tranny and low milege.

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post #13 of 71 Old 05-27-2011, 10:57 PM
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Quote:
Originally Posted by dakota 2.5L View Post
What about hemi"s threr hi as giraffe nuts!
i can get hemis all day long the 4.7 on the other hand you cant hardly find them here for less than 2500$
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post #14 of 71 Old 05-30-2011, 06:31 AM
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I can't even find 4.7s anywhere local to me. I was trying to get one for a parts for my Dakota and no luck. The 4.7s you do find are around 2500 for just the block. Once my 4.7 goes I am either going to do a Hemi swap or go diesel.

Good luck with your build.



Reg Cab 4x4 4.7 v8 with straight pipes Auto.
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post #15 of 71 Old 05-31-2011, 04:49 AM Thread Starter
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Hemi it is...now just gotta find one haha
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