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Click on image for the lowdown. 
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| | | Forums66 Topics128,021 Posts1,055,373 Members48,420 | | 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: Jan 2005 Posts: 75 Shop Shark | | Shop Shark Joined: Jan 2005 Posts: 75 | On the right side, just in front of the bell housing and above the oil galley there is a boss with a I think is a 1/2 thread. What is the purpose of it? | | |
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