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Should I swap my 3.7 for a 4.7, a 5.9, or modify what I have?

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Old 07-26-2020, 02:37 PM
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Default Should I swap my 3.7 for a 4.7, a 5.9, or modify what I have?

My ‘08 is the first and only vehicle I’ve ever had. My goal is to turn it into an even more beautiful piece of machinery than it already is. I’d like to keep it as stock as possible, but make it as bad@$$ as possible at the same time. Is that achievable?
 
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Old 07-26-2020, 03:06 PM
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Well if you end up swapping your engine, you will need a new wiring harness among many other things. I'm pretty sure the transmission that comes with the 3.7 is not compatible with the 4.7 or 5.9 either. Someone please correct me if I am mistaken. I've had a couple 4.7s and they both were great, but people have had issues with them. I don't know all too much about the 5.9, but I always hear they are reliable.
 
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Old 07-26-2020, 04:14 PM
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Originally Posted by Alex Medeiros
Well if you end up swapping your engine, you will need a new wiring harness among many other things. I'm pretty sure the transmission that comes with the 3.7 is not compatible with the 4.7 or 5.9 either. Someone please correct me if I am mistaken. I've had a couple 4.7s and they both were great, but people have had issues with them. I don't know all too much about the 5.9, but I always hear they are reliable.
I have the Getrag 238 6 Speed Manual Transmission if that helps.
 
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Old 07-27-2020, 08:44 AM
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Apparently, those actually came behind the 5.7 at one point....
 
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Old 07-27-2020, 02:34 PM
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Originally Posted by HeyYou
Apparently, those actually came behind the 5.7 at one point....
 



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