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Old 04-24-2013, 08:48 AM
Bigdaddy68ss Bigdaddy68ss is offline
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4L60E to 4L80 swap

I have an 05 sierra, the 4l60e sucks and is going downhill. Looked into a new trans and have been doing my research.. One of my teachers tells me you can swap a 4l60e for the 4l80e, with a few modifications. He has not done it himself he says but tells me hes seen people who have. Does anyone know of this swap and can shed light on all the situation and clue me into the changes id need to make to the 4l80e to get it to function properly within the 1500 sierra..
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