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60e to 80e ?

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Old 12-02-2012, 08:31 PM
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Default 60e to 80e ?

I just bought an 80e with the tranfercase still attached. Can I use the tcase that came on the 80 or do i need to use the 60 and get the shaft and adaptor?

also what flywheel will i need? the stock 80 or is there a certain one with an adaptor made for the 60,80 swap?

will the speartech harnes be a plug n play?

if there is any tip I have not read in the stikies please fill me in.


This is for a 2004 silverado 5.3.
Old 12-02-2012, 09:34 PM
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Can't help with the 4wd swap. You will need a segment swap done in the pcm to run the 4l80e.
Old 12-03-2012, 06:15 AM
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Originally Posted by quicksilverado
Can't help with the 4wd swap. You will need a segment swap done in the pcm to run the 4l80e.
yeah, my tuner (turbodave) says that the segment swap is not a problem. I'm just trying to get all my ducks lined up before I take the 60 out. so maybe not to many hang ups or mising things I need. I got a smoking deal on the 80 ($325) with tranfercase, trans,dip stick and tube, converter out of a low mileage truck. After 5 60's in the last yr I'm going to try this.
Old 12-03-2012, 12:23 PM
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n e one?
Old 12-03-2012, 12:47 PM
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what transfercase is in your truck now? and what transfer case is that attached to your 80E?
Old 12-03-2012, 12:56 PM
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Its just the factory ones. I have no idea on numbers. I'll see if I can dig numbers off tonight
Old 12-03-2012, 01:05 PM
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yea the numbers are goin to determine everything..
are both manual or electric shift?
Old 12-03-2012, 01:07 PM
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both should be electric shift.

Out of all the swaps it seem everyone used the adaptor and the 60 tcase.
Old 12-03-2012, 01:53 PM
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will the speartech harnes be a plug n play after the two wires in the ecm?
Old 12-03-2012, 02:04 PM
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Save your money on the harness. Just need to swap two wires in the big connector and add a vss plug and wire it to the pcm.


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