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The Yukon NVG4500 Manual Transmission Swap Thread

Old 06-01-2017, 06:02 PM
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I've been using Redline MT85 in mine. It's a GL4 rated fluid and a good and cheaper alternative to the GM brand fluid.
Old 06-20-2017, 05:54 PM
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Rebuilt the top side of the engine. Been driving around a bit. Exhaust still a hair loud. Good power everywhere. Throw is a bit long. Working on the remote shifter still. 1 and 3 feel right on top of each other so still getting used to it. Doesn't shift as nice as a car.

Most of the stalling is resolved but working on drivability with my tuner.
Old 06-20-2017, 06:43 PM
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If you want to improve the throw:
https://core-shifters.com/collection...ra-hd-w-nv4500

I have one of their shifters on my '95 model NV4500. Super quick shifts like a sports car. It definitely makes driving it a lot more fun.
Old 08-06-2017, 12:21 AM
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I installed the shifter today and it made a massive difference in the throw. the only thing i didn't like about it is that i had to add a spacer between the shifter and the tranny.
Old 08-06-2017, 10:38 AM
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Are the gear changes equally as smooth and easy to get into gear? Or does it take considerably more force to get in gear?
Old 09-04-2017, 08:53 PM
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Just an update. Been driving it around with no issues. Most of the tuning has been done. Found out the cruise control still works so thats a huge bonus.

Two big things not resolved yet: I have to mount the shifter for the floor mounted tcase. I cut the cup holders out of the console to run a remote shifter and I have to fix it with a shifter boot and maybe some fiberglass work.

Shifting with the core shifter is pretty great. Much better than stock!
Old 09-05-2017, 01:35 AM
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Glad you like the core shifter.

Could you post up some pictures of how you are configuring the center console?
Old 09-06-2017, 03:56 PM
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My head is swimming just reading thru this..............
Old 11-22-2017, 08:11 AM
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I took out a lot of the wording to make it easier to read.


Found out over the last couple of days that the manual segments I had swapped into the computer weren't right and the computer wasn't seeing the CPP. It thought the truck was always driving around with the clutch pressed in. So that was causing my tuning issues. Now that it is solved there are only a couple of things left:

Need to put in the shifter for the tcase.
Need to come up with a good solution to make the console look stock again.
Old 12-07-2017, 09:16 AM
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Originally Posted by Chevy305
Glad you like the core shifter.

Could you post up some pictures of how you are configuring the center console?
Here are the pictures I have right now. I am working on modifying the top lid of the console to include a shifter boot so it looks more stock. Almost done.
Attached Thumbnails The Yukon NVG4500 Manual Transmission Swap Thread-img_20171201_173325.jpg   The Yukon NVG4500 Manual Transmission Swap Thread-img_20171201_205508.jpg   The Yukon NVG4500 Manual Transmission Swap Thread-img_20171202_210301.jpg   The Yukon NVG4500 Manual Transmission Swap Thread-img_20171203_150751.jpg   The Yukon NVG4500 Manual Transmission Swap Thread-img_20171204_210715.jpg  


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