4.8 to 8.1 swap... can it be done?
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4.8 to 8.1 swap... can it be done?
Hey guys I have a 2000 silverado with a 4.8 right now. I was thinking about going with a 6.0, which is the most common around here. Then I thought, hey 8.1 is HUGE. I found one cheap and was wondering how hard it would be to swap out. I was going to swap teh 4l60e to a 4l80e anyways. Would that be the only problem I would run into when swapping it into my 1500? What else would I have to worry about?
#4
definetly not going to be worth doing the 8.1, your first big problem is that the whole front section of the frame will have to be changed to a 2500HD front end, and so many other complications that just doing a 6.0 and a built 4l80e would be far cheaper and better all around...don't get me wrong the 8.1 is a beast, but you need basically all new everything to make it work and it would not be worth the time and money as compared to a 6.0 and 4l80e swap.
-Pete
-Pete
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get a SDPC 632 CI crate motor, 1140hp out of the damn box...throw that in there....a direct port NX setup and run 9s in a truck all day with the right setup behind it.