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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 08-20-2013, 07:15 PM
muddy53 muddy53 is offline
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Default Computer Swap

Was wondering if anyone has tried to swap in a used comparable computer in their Trucks. This way, you could load your programs and if something goes wrong you can just put the stock on back in. No one will ever know you were playing with it. Might be tough to find one compatible but it might be worth the effort. Just a thought.
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Old 08-20-2013, 09:53 PM
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BlackRamHemi BlackRamHemi is offline
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I believe a dealer has to flash a replacement PCM to work with your VIN
It's certainly not a plug and play item like a PC, it has to be registered and match a VIN for legal reasons

Even an aftermarket tuner (Diablo/BullyDog etc...) needs a registered VIN before it can be installed.
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Old 08-20-2013, 11:52 PM
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TheSatinPumpkin TheSatinPumpkin is offline
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I think B&G had something like that for 4G models before tuning was available.
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Old 08-21-2013, 12:15 AM
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Yes, B&G are Chrysler Authorized and could arrange PCM swaps for 2011 Rams to use a 10' PCM because the tuning was encrypted after the 2010 model year Rams.

That has all gone to sh!t for 2012 and newer rams after they switched to the 6 speed (reprogrammed 545RFE) transmissions recently though.
(2010 PCM and programming couldn't run the new 6 speed trans)

Tuning the Engine using 10' pcm's was easy enough for B&G, but I don't think anyone wanted to take on the 2012 6 speed Transmission shift schedules that were tied to the 2012 engine tune only and also heavily encrypted.
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Old 08-21-2013, 07:20 AM
muddy53 muddy53 is offline
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How would the PCM know it's in a different vehicle? What would be telling it that the vehicle is one s/n and the PCM another?
I think the aftermarket programmers use the s/n so that you cannot use it on multiple vehicles. Like loading a program for a friend ect.
I know that if you brought it to a dealer, they could tell. The PCM will have one S/N and the vehicle another but I don't think the computer knows what vehicle it's in.
I'm just guessing here. I see some for sale at different used parts suppliers. I'll try calling some and try to get some answers.
I was thinking that it's so easy to pull one out that if you found one, same year, model ect and use that one to add your tunes to then you could put the original back when you go to the dealer for service under warranty. That way they can't tell that any engine damage was due to you playing with a tune.
Just thinking out loud. Any feedback would be appreciated.
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Old 08-21-2013, 10:04 AM
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Quote:
Originally Posted by muddy53 View Post
How would the PCM know it's in a different vehicle? What would be telling it that the vehicle is one s/n and the PCM another?
I think the aftermarket programmers use the s/n so that you cannot use it on multiple vehicles. Like loading a program for a friend ect.
I know that if you brought it to a dealer, they could tell. The PCM will have one S/N and the vehicle another but I don't think the computer knows what vehicle it's in.
I'm just guessing here. I see some for sale at different used parts suppliers. I'll try calling some and try to get some answers.
I was thinking that it's so easy to pull one out that if you found one, same year, model ect and use that one to add your tunes to then you could put the original back when you go to the dealer for service under warranty. That way they can't tell that any engine damage was due to you playing with a tune.
Just thinking out loud. Any feedback would be appreciated.

1) Think of a PCM as a hard drive that needs a dealer star scan to format it before you can use it in your truck.

2) Tuners don't leave a trace when removed, so your point is moot

3) If they did leave a trace, how would you know the PCM you bought didn't have one if it came used out of another Ram?

4) I have never heard of anyone with engine damage caused by a tuner, period.

5) ....and Most important,
If you break your shit because you modified it IT SHOULD BE ON YOUR DIME TO FIX IT!

Show some freakin' Intergrity man!

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