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4l80e desirable years?

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Old 06-10-2013, 12:25 PM
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Default 4l80e desirable years?
what years are good for the swap? I found a 95 4l80e I wanna swap into my 99 sierra
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Old 06-10-2013, 12:53 PM
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Anything after 2001 is the unit that has the revisions to the fluid passages I believe. However the older ones are good to. I would pull hair out over it.
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Old 06-10-2013, 01:39 PM
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I have a 1995 bone stock 4l80e in my truck making 700+ rwhp.. No shift kit or anything.. FTI 3200 nitrous converter..
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Old 06-10-2013, 02:21 PM
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Originally Posted by Mangled03gmc
Anything after 2001 is the unit that has the revisions to the fluid passages I believe. However the older ones are good to. I would pull hair out over it.
97 up has the newer lube design.
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Old 06-10-2013, 02:38 PM
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^^^ Even better
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Old 06-10-2013, 03:46 PM
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What year did they start putting in the 12 o'clock hole in the bellhousing? And wasn't there another internal change what was desirable? Something about a roller bearing? Can't remember what it was exactly.
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Old 06-10-2013, 04:19 PM
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2000 was when they started 12 o'clock bolt hole for LS engines, 96 and older had a larger overdrive roller clutch. It's a catch 22 in my eyes, I prefer a 2000 up.
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Old 06-10-2013, 05:41 PM
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so the 95 will work fine then? wiring changes will be the same as the newer ones?
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Old 06-10-2013, 08:10 PM
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Originally Posted by durty
so the 95 will work fine then? wiring changes will be the same as the newer ones?
Ive been beatin the crap outa mine for almost a year now. Wiring is the same and your tranny cooler lines are in the same place as the 60e. No redoing your tranny lines.
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Old 06-10-2013, 08:19 PM
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Prob 2004 to 07 classic
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