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  1. #1

    Default Transmission Swap

    I did a search on the site to see if this was a thread before but i didn't find anything. I wanted to know if it was possible to swap a new silverado's 6 speed auto into my 05 5.3L 2wd silverado.

  2. #2

    Default

    Never heard of the swap, sounds like a good one. I would think at the least you have to replace/modify the trucks ecm.

  3. #3

    Default

    Thats what i was thinking. Maybe give me the ability to stick a lower rear gear in it but keep highway mileage the same.

  4. #4

    Default

    Are both trucks 2wd? You will need to modify the transmission braces though, they changed with the new body style i believe. You will need to change the your ecm. And i also believe there is a difference in length of the transmissions so a new drive shaft might be in store. I don't know the physical size of the new transmissions compared to your body style, but the exhaust might be in the way when it goes under the transmission.

    Take a look under a truck like you wana swap. Who knows! Good luck!
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