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4l65 to 4l80 transfer case???

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Old 10-20-2015, 05:14 PM
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Default 4l65 to 4l80 transfer case???
Hey guys, im trying to swap a 4l80e into my truck that currently has a 4l65e in it (AWD) could somebody please point me in the direction of where to find the adapter to make the 4l80 work with my stock 4l65 transfer case? thanks!
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Old 10-20-2015, 07:44 PM
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You need to buy a 32 spline input gear for your transfer case, and modify your crossmember. The adapter you have will work, same bolt pattern, just need a new gasket.

Which transfer case do you have?
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Old 10-21-2015, 03:25 PM
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Where do I find one of those gears for the transfer case? And I'm not sure exactly, whatever came in a stock 2004 SS Silverado AWD
Originally Posted by AKlowriderZ71
You need to buy a 32 spline input gear for your transfer case, and modify your crossmember. The adapter you have will work, same bolt pattern, just need a new gasket.

Which transfer case do you have?
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Old 10-21-2015, 03:32 PM
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NVG 149. Those are hard to come by now, not sure if a member here still can get them or not.

Pm time2kill
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Old 11-02-2021, 06:56 AM
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This is the transfer case input gear part number that was need to mate my MP3023 to the 4l80E.


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