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· Premium Member
615 Posts
Discussion Starter · #1 ·
Ok. Im thinking about swapping to a 4l80 as I am making 500 motor and im about to start my next build which is going to be a big single turbo. I live the 6l80 tranny but it has its weak points.
Questions are who has done tge swap and what all is needed to make this work
4l80 tranny
Drive shaft
Harness for tcm

Has anyone tryed or heard of the plug and play harness for the transmissions?

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· Registered
352 Posts
subscribed! i would like to know as well concidering i will be over 500 hp soon n/a, even more spraying, but will use the 6l80e until it blows up, get as much as i can out of it
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