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5.7L Hemi Engines Does that thing got a HEMI?

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  #1  
Old 07-17-2008, 05:27 AM
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98 Dakota Hemi Swap

Well I've been at it for a couple weeks now so I thought I would post some progress pics.
This is what I'm starting with: A 2WD 1998 RC V6 5 speed


The engine bay before the swap began:


The engine bay with the V6, wiring harness, brake booster, clutch master and the front clip removed:


Heres the 5.7 Hemi and Auto trans from a 2004 Ram. Note the steel angle frame jig I used to mock up the motor and trans mounts:


Heres the jig with motor mounts mocked up in the engine compartment.


Motor mounts tacked to frame:
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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.
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Old 07-17-2008, 05:38 AM
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Brake booster was going to interfere with valve cover. I found a smaller diameter one from a Grand Cherokee and it still didn't fit. So the firewall was redrilled to move it 3/4" outboard. Thats the clutch master cylinder opening just below and to the left, it was filled as well. The opening in firewall duct taped shut is the opening for wiring harness:


Well that's it for now. I've got to do some body work so I can paint the firewall, inner fenderwells, rear of cab and door jambs. Then I can install the engine one last time.........Oh I forgot to tell you I'm changing to BLACK hopefully with some candy RED accents.
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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

Last edited by 69rrbruce; 07-17-2008 at 12:41 PM.
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  #3  
Old 07-17-2008, 02:47 PM
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Great work so far...
Is the Hemi/Tranny package significantly heavier that the V6/Tranny package
Gary
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Old 07-17-2008, 03:18 PM
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Nice! Are you still gonna be able to use your factory gauge cluster?
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Old 07-17-2008, 05:43 PM
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This looks good so far.
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Old 07-17-2008, 09:29 PM
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awesome post! cant wait to see a finished product
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Old 07-17-2008, 09:35 PM
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Looks great so far!
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Old 07-18-2008, 01:44 AM
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looks good keep us updated.
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Old 07-18-2008, 05:13 AM
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Quote:
Originally Posted by kota62 View Post
Great work so far...
Is the Hemi/Tranny package significantly heavier that the V6/Tranny package
Gary
I'm not sure how much heavier, that trans is a real PIG. I'm not worried about any added weight the Hemi will take care of itself.

Quote:
Originally Posted by b2 Kustoms View Post
Nice! Are you still gonna be able to use your factory gauge cluster?
Per YellowKota2k's recommendation I picked up a 2002 Dakota gauge cluster to replace the 98 cluster. Hope I can get it to work.

Thanks all for the kind words!

I'll try and kept you all updated. I know I took some pics of the oil pan and oil pickup mods. I'll have to check on those.

Since I'm in the rust belt I've been spending my time cutting it out and fabbing patch panels. I would like to have a talk with the Dodge engineers who thought it was a good idea to put some kind of spongy material between the body panels at the rear cab corners. It did a great job of holding in the moisture and starting the cancer.

Till next time!
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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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  #10  
Old 07-18-2008, 06:17 AM
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Awesome build keep us updated.

The more and more people do this swap the more confident I get about doing mine. Only problem is my truck bagged which will be the hard part.
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  #11  
Old 07-18-2008, 03:27 PM
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What causes you to have to switch gauge clusters? The new wiring harness not work w/ pre-02 clusters? I would like to reuse my 97 cluster if I were to do this swap.
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Old 07-18-2008, 03:37 PM
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Subscribed, keep up the work!
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Old 07-19-2008, 06:50 AM
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Quote:
Originally Posted by b2 Kustoms View Post
What causes you to have to switch gauge clusters? The new wiring harness not work w/ pre-02 clusters? I would like to reuse my 97 cluster if I were to do this swap.
The bus system used in 2000 and older Dakotas is a 2-wire CCD bus; the bus system used in 2001+ Dakotas is a 1-wire PCI bus. If you ever want to have stock gauges again, then you will need to use a 2001+ gauge cluster.
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Old 07-20-2008, 12:37 AM
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Gotcha!
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Old 07-21-2008, 11:05 AM
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Very Nice!!!!! Post videos.
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