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Mod | | | Forums66 Topics128,196 Posts1,057,393 Members48,471 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
| | | | Joined: Oct 2019 Posts: 1 Moderated | | Moderated Joined: Oct 2019 Posts: 1 | Hello All - I just finished going thru my Spicer 23 transfer case out of my 1958 NAPCO GMC 100. The issues that I was having... #1 Hard time shifting in/out of 4WD and Neutral. #2 Major Oil Leaks. Since I didn't find any really good pics/video on the rebuild, I decided to document mine for others. Here is the link.... 1958 Spicer 23 Rebuild Video or just search youtube for "Spicer 23 TCASE rebuild NAPCO". I hope it helps.
Last edited by Gdads51; 07/05/2024 4:01 PM. Reason: fix link to remove video from being embedded in SB server - link remains functional
| | | | | Joined: Jun 2005 Posts: 168 'Bolter | | 'Bolter Joined: Jun 2005 Posts: 168 | Thanks, that's good stuff
Liquidated my projects
Now looking for a decent '47-'55.1 3100, 3600, or 3800
| | | | | Joined: Aug 2019 Posts: 242 'Bolter | | 'Bolter Joined: Aug 2019 Posts: 242 | Finally, a video for these! If only I'd have seen this last fall when restoring mine... though I may need to re-do it since I got a little aggressive while pounding bearings onto shafts 🤞 I was too chicken to pull out the shift shafts and ended up putting in lighter springs on parts of the interlock. Nice paint job, looks sharp! PS. here's some links showing a home-made 'pto' that I hung off the end of intermediate shaft I haven't used it yet, truck should be running in a month or two though! https://www.stovebolt.com/ubbthread...r-pto-on-a-spicer-23-24.html#Post1331509https://www.stovebolt.com/ubbthreads/ubbthreads.php/topics/1336833/2.html
Last edited by Ott3r; 04/28/2020 4:58 PM.
'59 Chevy Suburban, NAPCO
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