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Old 06-30-2019, 02:18 PM
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Join Date: Dec 2018
Location: Baja Mexico
Posts: 3
Transmission identification

I have a 1987 YJ that has had the original 4 cylinder engine swapped to a 6 cylinder. I need to identify the transmission.Click image for larger version

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Old 06-30-2019, 04:05 PM   #2
Join Date: Apr 2015
Location: Jackman, ME
Posts: 646
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It’s an NVG3550, very good transmission.


2006 Jeep Wrangler Rubicon, 4.0l, 6-speed.

1990 Jeep Wrangler Sahara, work in progress. Mercedes OM617 turbodiesel, intercooler if I can make room, 700R4, NVG241OR, Ford Dana 60 front & GM 14-bolt FF rear, SOA, SRS.
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Old 07-01-2019, 01:08 PM
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Join Date: Dec 2018
Location: Baja Mexico
Posts: 3
Smile Learning what I bought.

Thank you Phil. I have a transfer case shifter linkage alinement problem and I prefer to use hard linkage bolted to the transmission instead of cable linkage. I like the looks of the aa-715545 advance adapter kit as sold by Morris would work for me but any additional suggestions would be appreciated. I believe the problem is caused by rectangular tubing between the frame and transfer case skid plate to lower the transfer case as part of a lift kit. I like the Jeep but it is sometimes hard to figure out what modifications have been done to it over the last 32 years.
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