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Custom Dodge Ram Performance Mods - Engine - 5.7 HEMI V8 Discuss modifying your Dodge Ram with Performance Parts and Accessories!
Factory Spec: 5.7-liter HEMI® V8 engine - 390 horsepower, 407 lb-ft of torque.


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  #1  
Old 04-07-2012, 08:00 PM
Jdsram Jdsram is offline
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Default 2003 motor swap for 2005 motor and PCM

I have a 03 ram with the 5.7 and I found a good deal on a 2005 motor and PCM and would like to know if anyone has suggestions on things I need to do the swap. I want the 05 PCM for the wider range of tuning and want the motor to build out of the truck. Thanks
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Old 04-07-2012, 08:20 PM
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I know this may a bit intrusive but what's a good deal? Is this a wrecked ram or just the motor? Also what are your plans for this truck? There are a ton of mods you can do to this motor while it is out of the truck to make its BADA$$ trust me on that!
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  #3  
Old 04-07-2012, 08:43 PM
Jdsram Jdsram is offline
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Quote:
Originally Posted by RamTex View Post
I know this may a bit intrusive but what's a good deal? Is this a wrecked ram or just the motor? Also what are your plans for this truck? There are a ton of mods you can do to this motor while it is out of the truck to make its BADA$$ trust me on that!
Well I can get the motor with all accessories and PCM for 800$ the truck was sent to a body shop and never picked up or payed for so now the shop is parting or selling as a whole truck. I would like to do as much as I can with the motor out and any suggestions would be great. I wanted to get an extra and build that so I always have a spare. I would like to make the build a daily driver but with weekend drag strips in mind. I want power. Lol
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Old 04-07-2012, 08:46 PM
Jdsram Jdsram is offline
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And as for putting the 05 PCM on my truck is anyone on here doing modified harnesses or do I have to get a Hotwire kit??
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Old 04-07-2012, 08:48 PM
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You might be biting off more than you can chew with this. The '03 has a separate TCM in addition to the ECM.
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Old 04-08-2012, 05:18 AM
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It's been done a few times now. Once I actually have the time (don't need the daily driver for awhile) I am going to attempt it. A guy on one of the other forums completely converted from an 02-03 4.7 to a complete 03 5.7, then figured out he wasn't happy with that and converted again to 05 setup. I've beeb trying to convince him to build me a conversion harness, as I already have a PCM and main harness.
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Old 04-08-2012, 12:09 PM
Jdsram Jdsram is offline
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Quote:
Originally Posted by HemiLonestar View Post
It's been done a few times now. Once I actually have the time (don't need the daily driver for awhile) I am going to attempt it. A guy on one of the other forums completely converted from an 02-03 4.7 to a complete 03 5.7, then figured out he wasn't happy with that and converted again to 05 setup. I've beeb trying to convince him to build me a conversion harness, as I already have a PCM and main harness.
Yeah That is some info I need. I can get the harness and motor just need help customizing the new 05 PCM to fit the 03
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Old 04-08-2012, 01:54 PM
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no matter how hard it is to do..it is well worth just because you can mod more and custom tune better then any year out there..
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  #9  
Old 04-08-2012, 02:12 PM
Jdsram Jdsram is offline
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Quote:
Originally Posted by chefred112 View Post
no matter how hard it is to do..it is well worth just because you can mod more and custom tune better then any year out there..
Is it just the harness and PCM from 05 I need to get all the benefits or do I need the motor too?
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