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454-duramax Swap

wtrskiadic

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jblakeney Senior Enthusiast

jblakeney

Posted
Posted

Anything is possible. You will need the complete harness for the drive train as well as PCM and TCM. If you do this post up some stuff about it (write ups and/or photos)....

 

Jbo

tanked_darren Senior Enthusiast

tanked_darren

Posted
Posted

The best way to go about this swap is put your truck for sale on craigslist or some other buy and sell type site, and at the same time look for another GMC to buy with a duramax-allison in it, and you should be good to go :(

becker87 Senior Enthusiast

becker87

Posted
Posted

If it were me i would put in a 12 Valve cummins in it, lots easier to install and don't need to worry about all the electronics. Stock for stock the D-max is going to have more power but the cummins can crank out a lot of power.

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