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What 4l80e/transfer case do I need

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Old 02-27-2014, 10:16 AM
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Default What 4l80e/transfer case do I need

My tow rig has the 4l60e and its not going to do well towing my truck. I want to throw in a 80e but not sure which 80e and t case I need. Its an 07+ Sierra with the transfer case shifter on the ground. Any ideas[IMG][/IMG]
Old 03-12-2014, 11:33 PM
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Maybe a 261?
Old 04-07-2014, 02:13 PM
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I put a 4L80E in my truck back in Nov, used the stock transfer case (mine is the Electronic) all we did was put in a 32 spline input shaft in the T-case and that was it. It was a 4x4 4L80E with the bolt hole at the top, probably from early 2000's. Truck works awesome with it.
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