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Question: 1992 4L80e to link up to LR4 in 05 GTO

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Old 02-16-2012, 08:23 PM
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Originally Posted by TXSZ66AVLANCHE
If this works out for you pass along to the GTO forums that I have two 4.8's in Denton, Texas that nobody on PT wants...
I haven't bought one yet. What condition, mileage, etc. are they in, and how much would it cost to ship one to 20876?
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Old 02-16-2012, 09:41 PM
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Originally Posted by TXSZ66AVLANCHE
03 and up Chevy Express 2500 and up vans came with a 4.8 and 4L80E , Id use that option rather than the 92 transmission

Also 05 LS2 in the GTO is a 24 tooth reluctor.
Originally Posted by Quicklynx
Would definitely make things easier, but if the 1992 will work, it may be worth it as I will only be paying $100 for it. It seems like an unbeatable price, especially for one in working condition.
So the 1992 will still work, and slip right in? Correct?

Thanks
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Old 02-17-2012, 04:52 PM
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Check bell-housing to block bolt pattern. I thought there was a difference there between the gen II vortec bolt pattern and the LS_ engines.
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Old 02-17-2012, 04:55 PM
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i replied in your other thread..
all the GM SBCs use the same bellhousing bolt pattern

So yea it will bolt up.. i cant remember the electronics on the 92 80E tho.. never fooled with them, but yea it will bolt up.
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Old 02-17-2012, 06:17 PM
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Originally Posted by nonnieselman
i replied in your other thread..
all the GM SBCs use the same bellhousing bolt pattern

So yea it will bolt up.. i cant remember the electronics on the 92 80E tho.. never fooled with them, but yea it will bolt up.
Awesome, Thanks for the info. You guys have been great. I guess I need a M6 Crossmember to hold it, and a harness to shift it that connects to my TCM.
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Old 02-19-2012, 09:49 AM
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Updated the first post with some questions and ideas about the trans after purchase.
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Old 02-20-2012, 07:54 PM
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Picked up my 4L80e today, and ordered my LR4 block which should be here next week.


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Old 02-20-2012, 08:05 PM
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i didnt think the 92 model had a provision for a park neutral safety switch...
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Old 02-20-2012, 08:20 PM
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Originally Posted by matt29201
i didnt think the 92 model had a provision for a park neutral safety switch...
You are right. It doesn't. Apparently, what I have to do is switch over the 4L60e/4L65e shift rod and attach the switch. It doesn't look too bad.
Last edited by Quicklynx; 02-22-2012 at 07:52 AM.
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Old 02-20-2012, 08:23 PM
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ok thats good to know.. blue4.8 on here is also swapping an older 4l80e into his turbo project and we were wondering how to make it work
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