Preparing the 5.7 5-45RFE swap, couple of questions.
#851857
11/12/10 02:37 PM
11/12/10 02:37 PM
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Joined: Nov 2008
Posts: 173 Tucson AZ
2cudabuck
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Good morning all! I walked into a great deal on a low mileage 04 5.7 and A518 so I am swapping that into the 70 Cuda. I have done my due diligence and printed MANY pages from the tech archives here, thanks to all of you that submit! I do however have a couple of questions I'm hoping to get help with. First, having trouble finding a premade A518 center hump, if there even is one. Second, I ran across a harness made by a member for about $200 that plugs into our fuseblock and into the ECU, has all the relays etc. Is it really that simple and that is all that's needed to manage the electronics? I got the whole harness, sensors, ECU etc from the truck. Last but not least, are most people doing this swap using the truck drive by wire stock digital signal box? THanks all, cheers. I will add some pics and an update now and again as I go! Along with some more questions I'm sure!!!
Last edited by 2cudabuck; 11/12/10 07:24 PM.
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Re: Preparing the 5.7 A518 swap, couple of questions.
[Re: FuryUs]
#851859
11/12/10 02:42 PM
11/12/10 02:42 PM
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Joined: Nov 2008
Posts: 173 Tucson AZ
2cudabuck
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ah geez, sorry all, 2004!!
Buck
67 273 Dart GT
69 RT 440 Charger (SWEET!)
70 318 Cuda
74 Cuda Packin a 426 roller Hemi
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Re: Preparing the 5.7 A518 swap, couple of questions.
[Re: 2cudabuck]
#851861
11/12/10 04:07 PM
11/12/10 04:07 PM
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Joined: Jan 2003
Posts: 28,069 Irving, TX
feets
Senior Management
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Senior Management
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Irving, TX
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If you're playing with a new hemi and it's transmission, you're going into rare territory.
We are brothers and sisters doing time on the planet for better or worse. I'll take the better, if you don't mind. - Stu Harmon
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Re: Preparing the 5.7 A518 swap, couple of questions.
[Re: feets]
#851862
11/12/10 05:00 PM
11/12/10 05:00 PM
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Joined: Nov 2008
Posts: 173 Tucson AZ
2cudabuck
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The truck in came out of is a 2004 2wd ram with an auto. I guess I either misread or read bad info on the motor trans combo for that year. Like I said, got all the computer, harness etc. Research has been pretty solid on the swap, as have been the conversion parts. Just the few loose ends I mentioned before. The package is getting delivered tonight, I'll post some pics. What trans should I expect to find?
Buck
67 273 Dart GT
69 RT 440 Charger (SWEET!)
70 318 Cuda
74 Cuda Packin a 426 roller Hemi
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Re: Preparing the 5.7 A518 swap, couple of questions.
[Re: 2cudabuck]
#851863
11/12/10 05:02 PM
11/12/10 05:02 PM
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Joined: Nov 2008
Posts: 173 Tucson AZ
2cudabuck
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by the way Feets, Since I moved to Tucson and had all my projects packed away and moved, this motor deal has taken the place of the turbo 318 I was in the middle of that you helped me out so much on!
Buck
67 273 Dart GT
69 RT 440 Charger (SWEET!)
70 318 Cuda
74 Cuda Packin a 426 roller Hemi
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Re: Preparing the 5.7 A518 swap, couple of questions.
[Re: 2cudabuck]
#851866
11/12/10 08:57 PM
11/12/10 08:57 PM
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Joined: Dec 2007
Posts: 587 minot north dakota
ledft79
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minot north dakota
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I'm doing the same exact swap into a 71 challenger. 04 5.7 with a 5-45rfe. My harness has been professionaly stripped, and yes it does look that easy. Every wire plugs into sensor, or relay except probably about 5 or so open ended wires that are hot leads for you computer and fuel pump and so on. My engine has all the sensors, and the harness has the relays already in it. Piece of cake. Trany tunnel, I cant help you, I'll probably be fabbing mine as I go. I do plan on running the drive by wire, but I still need to find one. [any one have one to get rid of?] If you don't already know, there is no speed-O sender with this set up. I have heard of an electric signal to a manual drive converter, but I have not researched it yet, so I'm not sure if it will work here unless it produces its own electronic speed signal. I'll run my GPS for a while if I need to.
Last edited by ledft79; 11/12/10 10:10 PM.
DRIVE EM, DONT HIDE EM.
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Re: Preparing the 5.7 5-45RFE swap, couple of questions.
[Re: boden]
#851868
11/13/10 01:02 AM
11/13/10 01:02 AM
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Joined: Nov 2008
Posts: 173 Tucson AZ
2cudabuck
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Excellent info! Who professionally stripped your harness? I might spring for the 200 custom made unit that just clips into the factory fuse block and into the ECU.
I'm going to go with an electronic speedo tach as well, much easier and want modern gauges anyway.
Hmmmm, maybe we can keep sharing this good info etc. and especially center hump recipe's!!
Buck
67 273 Dart GT
69 RT 440 Charger (SWEET!)
70 318 Cuda
74 Cuda Packin a 426 roller Hemi
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Re: Preparing the 5.7 5-45RFE swap, couple of questions.
[Re: 2cudabuck]
#851869
11/13/10 10:28 PM
11/13/10 10:28 PM
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Joined: Dec 2007
Posts: 587 minot north dakota
ledft79
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mopar
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minot north dakota
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Speed and Performance did my wire harness. It's not cheep, but it is very well done.
DRIVE EM, DONT HIDE EM.
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Re: Preparing the 5.7 5-45RFE swap, couple of questions.
[Re: 2cudabuck]
#851870
11/14/10 03:12 AM
11/14/10 03:12 AM
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Joined: Nov 2008
Posts: 1,491 Lethbridge, AB, Canada
dangina
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pro stock
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Lethbridge, AB, Canada
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Quote:
Excellent info! Who professionally stripped your harness? I might spring for the 200 custom made unit that just clips into the factory fuse block and into the ECU.
do you have this guys info? That is the cheapest price i've seen yet for a plug and play harness - and I've been lookin for at least a year - please pm me
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Re: Preparing the 5.7 5-45RFE swap, couple of questions.
[Re: dangina]
#851871
11/14/10 02:20 PM
11/14/10 02:20 PM
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Joined: Nov 2008
Posts: 173 Tucson AZ
2cudabuck
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GOt it delivered last night. they did indeed include EVERYTHING! I'm excited. Time to start amassing parts. The center hump is most concerning at this point.
Buck
67 273 Dart GT
69 RT 440 Charger (SWEET!)
70 318 Cuda
74 Cuda Packin a 426 roller Hemi
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Re: Preparing the 5.7 5-45RFE swap, couple of questions.
[Re: 2cudabuck]
#851872
11/14/10 06:56 PM
11/14/10 06:56 PM
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Joined: Dec 2007
Posts: 587 minot north dakota
ledft79
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That's the same way that mine came, very complete. Looks like you got the trany mount with yours though. Mine even came with the fuel lines, trany lines, and the drive shaft stub.
DRIVE EM, DONT HIDE EM.
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