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FS: transfer case adapter 4L80E--->NP246 AUTOTRAC

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Old 03-05-2007, 05:34 PM
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Default FS: transfer case adapter 4L80E--->NP246 AUTOTRAC

new in gm box transfer case adapter adapts 4L80E to new process 246 transfer case. $50 to your door if you're in the lower 48. money orders or paypal accepted. any questions pm me. thanks.
Old 03-09-2007, 06:46 PM
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Originally Posted by 5.3 racer
new in gm box transfer case adapter adapts 4L80E to new process 246 transfer case. $50 to your door if you're in the lower 48. money orders or paypal accepted. any questions pm me. thanks.
is this the factory autotrac x-fer case in a 1500???

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Old 03-09-2007, 06:51 PM
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yes, the np 246 is the factory autotrac transfer case in a 1500. this is the adapter you need if you're upgrading to a 4L80E and want to use your existing autotrac.
Old 03-09-2007, 07:02 PM
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Originally Posted by 5.3 racer
yes, the np 246 is the factory autotrac transfer case in a 1500. this is the adapter you need if you're upgrading to a 4L80E and want to use your existing autotrac.
ok that takes care of the bolt on part of it.

but what about the spline shaft size difference??

sy0569
Old 03-10-2007, 06:18 AM
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you need to change the input shaft in the transfer case, there's a very good sticky in the gm section on how to do it.
Old 03-10-2007, 10:57 AM
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Originally Posted by 5.3 racer
yes, the np 246 is the factory autotrac transfer case in a 1500. this is the adapter you need if you're upgrading to a 4L80E and want to use your existing autotrac.
So just to confirm, I'll need this as part of my 4l70E to 80E swap if I want Autotrac to be functional.

If so, I'll take it.
Old 03-14-2007, 05:39 AM
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TTT, next stop: ebay.
Old 03-15-2007, 05:15 AM
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SOLD. Thanks, 356ZUM.
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