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Labor Day Putting down your wrenches or time for
MORE wrenching? 
Plenty of places to share. | | Click on image for the lowdown. 
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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!
| | THANKS!
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: Sep 2001 Posts: 272 Shop Shark | | Shop Shark Joined: Sep 2001 Posts: 272 | My factory assy manuel 55-59 says use 88oz of "underbody protective coating" GM part number 3686683. It also tells where to start and which way to go. Should have a 1/16" thickness after it dries.
Nonething said about Paint color
source: section 1 sheet 139 factory assy manuel.
hope it helps
Brad | | |
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